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Monday, May 17, 2010

How to Break a BIOS Password

How to Break a BIOS Password ?


Methods of breaking password for Desktop PC and for laptop is quite different. We would explain each.

Break BIOS Password for Desktop :
If it's a desktop PC, erasing the cmos memory will usually clear it.

Steps:

1. Power off the computer and make sure that it is unplugged.
2. Open up your computer case. You need physical access to the motherboard to complete this procedure.
3. Find a circular, (mostly) silver metallic object on the motherboard. This is the CMOS battery.
4. CAREFULLY remove the CMOS battery and leave it out for about 120- 180 seconds. This will flush the CMOS memory which stores the BIOS password and all other configuration. (See Warnings)
5. Set the battery back into place and power on the computer.
6. The computer should then warn you that the CMOS configuration could not be found. You can either reconfigure it yourself or restore defaults. Restoring the default configuration should be fine.
7. You will notice that the BIOS password has been cleared and you can boot without it. You may reset the BIOS password to something else by going into the BIOS configuration and setting a new User Password.

Alternate Methos: (More Dificult)

Remove a jumper: There's a jumper on your motherboard that you'll need to identify and remove. Most motherboards make your job easier by actually labeling the correct jumper as "BIOS config" or something similar. (it looks like a small plastic thingy on 2 pins with 1 pin beside it, within a 1" of the battery). If you're having trouble looking for it, look in the motherboard manual.After you have found it, carefuly pull straight up on it, and place it on the 2-3 pins(it was on the 1-2 pins). With the battery removed and the jumper moved, turn the computer on, and check to see if you can get into the bios. If you are able to, turn the computer off, put the jumper back on pins 1-2, and put the battery back in. Lastly put the case together and you are done.

Note: Don't forget to configure the BIOS (if you know how) after this process. If you you don't know how, just hold the "delete" button when starting your PC and when the blue screen appears, find the load safe defaults settings and press:

* ENTER button
* Y button
* F10 button

Break BIOS Password for Laptop :

Remember that laptops can be trickier, especially if it's a newer model. If it has a security chip on the motherboard forget about it. You either have to physically remove the chip or contact the mfg for the "master" password. If you can boot up off of a cd or floppy try any of these methods:

1. Create a Win98SE bootable media "or anything that lets you boot into MS-DOS" and boot off of it.
2. When the A:\> prompt appears type debug and press enter.
3. You will then only see a "-".
4. Type o 70 2E "include the spaces" and press Enter.
5. Type o 71 ff "include the spaces" and press Enter.
6. Type q and press Enter.
7. Here are a list of common mfg backdoor passwords
* AWARD BIOS
AWARD SW, AWARD_SW, Award SW, AWARD PW, _award, awkward, J64, j256, j262, j332, j322, 01322222, 589589, 589721, 595595, 598598, HLT, SER, SKY_FOX, aLLy, aLLY, Condo, CONCAT, TTPTHA, aPAf, HLT, KDD, ZBAAACA, ZAAADA, ZJAAADC,
* AMI BIOS
AMI, A.M.I., AMI SW, AMI_SW, BIOS, PASSWORD, HEWITT RAND, Oder

Softwares to Break BIOS Password:

If your system boots but the BIOS password is still in place, there are several programs you can load that are designed to crack the passwords or clear them altogether. The encryption on BIOS passwords is not very complex. Following are links to a few of these free programs:

1. CmosPwd 4.8

Wednesday, April 21, 2010

How to install and configure a Virtual Private Network server in Windows Server 2003

How to install and configure a Virtual Private Network server in Windows Server 2003

This step-by-step article describes how to install virtual private networking (VPN) and how to create a new VPN connection in servers that are running Windows Server 2003.

With a virtual private network, you can connect network components through another network, such as the Internet. You can make your Windows Server 2003-based computer a remote-access server so that other users can connect to it by using VPN, and then they can log on to the network and access shared resources. VPNs do this by "tunneling" through the Internet or through another public network in a manner that provides the same security and features as a private network. Data is sent across the public network by using its routing infrastructure, but to the user, it appears as if the data is sent over a dedicated private link.



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Overview of VPN
A virtual private network is a means of connecting to a private network (such as your office network) by way of a public network (such as the Internet). A VPN combines the virtues of a dial-up connection to a dial-up server with the ease and flexibility of an Internet connection. By using an Internet connection, you can travel worldwide and still, in most places, connect to your office with a local call to the nearest Internet-access phone number. If you have a high-speed Internet connection (such as cable or DSL) at your computer and at your office, you can communicate with your office at full Internet speed, which is much faster than any dial-up connection that uses an analog modem. This technology allows an enterprise to connect to its branch offices or to other companies over a public network while maintaining secure communications. The VPN connection across the Internet logically operates as a dedicated wide area network (WAN) link.

Virtual private networks use authenticated links to make sure that only authorized users can connect to your network. To make sure data is secure as it travels over the public network, a VPN connection uses Point-to-Point Tunneling Protocol (PPTP) or Layer Two Tunneling Protocol (L2TP) to encrypt data.

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Components of a VPN
A VPN in servers running Windows Server 2003 is made up of a VPN server, a VPN client, a VPN connection (that portion of the connection in which the data is encrypted), and the tunnel (that portion of the connection in which the data is encapsulated) . The tunneling is completed through one of the tunneling protocols included with servers running Windows Server 2003, both of which are installed with Routing and Remote Access. The Routing and Remote Access service is installed automatically during the installation of Windows Server 2003. By default, however, the Routing and Remote Access service is turned off.
The two tunneling protocols included with Windows are:

* Point-to-Point Tunneling Protocol (PPTP): Provides data encryption using Microsoft Point-to-Point Encryption.
* Layer Two Tunneling Protocol (L2TP): Provides data encryption, authentication, and integrity using IPSec.

Your connection to the Internet must use a dedicated line such as T1, Fractional T1, or Frame Relay. The WAN adapter must be configured with the IP address and subnet mask assigned for your domain or supplied by an Internet service provider (ISP). The WAN adapter must also be configured as the default gateway of the ISP router.

NOTE: To turn on VPN, you must be logged on using an account that has administrative rights.

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How to install and Turn on a VPN Server
To install and turn on a VPN server, follow these steps:

1. Click Start, point to Administrative Tools, and then click Routing and Remote Access.
2. Click the server icon that matches the local server name in the left pane of the console. If the icon has a red circle in the lower-left corner, the Routing and Remote Access service has not been turned on. If the icon has a green arrow pointing up in the lower-left corner, the Routing and Remote Access service has been turned on. If the Routing and Remote Access service was previously turn on, you may want to reconfigure the server. To reconfigure the server:
1. Right-click the server object, and then click Disable Routing and Remote Access. Click Yes to continue when you are prompted with an informational message.
2. Right-click the server icon, and then click Configure and Enable Routing and Remote Access to start the Routing and Remote Access Server Setup Wizard. Click Next to continue.
3. Click Remote access (dial-up or VPN) to turn on remote computers to dial in or connect to this network through the Internet. Click Next to continue.
3. Click to select VPN or Dial-up depending on the role that you intend to assign to this server.
4. In the VPN Connection window, click the network interface which is connected to the Internet, and then click Next.
5. In the IP Address Assignment window, click Automatically if a DHCP server will be used to assign addresses to remote clients, or click From a specified range of addresses if remote clients must only be given an address from a pre-defined pool. In most cases, the DHCP option is simpler to administer. However, if DHCP is not available, you must specify a range of static addresses. Click Next to continue.
6. If you clicked From a specified range of addresses, the Address Range Assignment dialog box opens. Click New. Type the first IP address in the range of addresses that you want to use in the Start IP address box. Type the last IP address in the range in the End IP address box. Windows calculates the number of addresses automatically. Click OK to return to the Address Range Assignment window. Click Next to continue.
7. Accept the default setting of No, use Routing and Remote Access to authenticate connection requests, and then click Next to continue. Click Finish to turn on the Routing and Remote Access service and to configure the server as a Remote Access server.

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How to Configure the VPN Server
To continue to configure the VPN server as required, follow these steps.
How to Configure the Remote Access Server as a Router
For the remote access server to forward traffic properly inside your network, you must configure it as a router with either static routes or routing protocols, so that all of the locations in the intranet are reachable from the remote access server.

To configure the server as a router:

1. Click Start, point to Administrative Tools, and then click Routing and Remote Access.
2. Right-click the server name, and then click Properties.
3. Click the General tab, and then click to select Router under Enable this computer as a.
4. Click LAN and demand-dial routing, and then click OK to close the Properties dialog box.

How to Modify the Number of Simultaneous Connections
The number of dial-up modem connections is dependent on the number of modems that are installed on the server. For example, if you have only one modem installed on the server, you can have only one modem connection at a time.

The number of dial-up VPN connections is dependent on the number of simultaneous users whom you want to permit. By default, when you run the procedure described in this article, you permit 128 connections. To change the number of simultaneous connections, follow these steps:

1. Click Start, point to Administrative Tools, and then click Routing and Remote Access.
2. Double-click the server object, right-click Ports, and then click Properties.
3. In the Ports Properties dialog box, click WAN Miniport (PPTP), and then click Configure.
4. In the Maximum ports box, type the number of VPN connections that you want to permit.
5. Click OK, click OK again, and then close Routing and Remote Access.

How to Manage Addresses and Name Servers
The VPN server must have IP addresses available to assign them to the VPN server's virtual interface and to VPN clients during the IP Control Protocol (IPCP) negotiation phase of the connection process. The IP address assigned to the VPN client is assigned to the virtual interface of the VPN client.

For Windows Server 2003-based VPN servers, the IP addresses assigned to VPN clients are obtained through DHCP by default. You can also configure a static IP address pool. The VPN server must also be configured with name resolution servers, typically DNS and WINS server addresses, to assign to the VPN client during IPCP negotiation.

How to Manage Access
Configure the dial-in properties on user accounts and remote access policies to manage access for dial-up networking and VPN connections.

NOTE: By default, users are denied access to dial-up networking.

Access by User Account
To grant dial-in access to a user account if you are managing remote access on a user basis, follow these steps:

1. Click Start, point to Administrative Tools, and then click Active Directory Users and Computers.
2. Right-click the user account, and then click Properties.
3. Click the Dial-in tab.
4. Click Allow access to grant the user permission to dial in. Click OK.

Access by Group Membership
If you manage remote access on a group basis, follow these steps:

1. Create a group with members who are permitted to create VPN connections.
2. Click Start, point to Administrative Tools, and then click Routing and Remote Access.
3. In the console tree, expand Routing and Remote Access, expand the server name, and then click Remote Access Policies.
4. Right-click anywhere in the right pane, point to New, and then click Remote Access Policy.
5. Click Next, type the policy name, and then click Next.
6. Click VPN for Virtual Private Access access method, or click Dial-up for dial-up access, and then click Next.
7. Click Add, type the name of the group that you created in step 1, and then click Next.
8. Follow the on-screen instructions to complete the wizard.



If the VPN server already permits dial-up networking remote access services, do not delete the default policy. Instead, move it so that it is the last policy to be evaluated.

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How to Configure a VPN Connection from a Client Computer
To set up a connection to a VPN, follow these steps. To set up a client for virtual private network access, follow these steps on the client workstation:

NOTE: You must be logged on as a member of the Administrators group to follow these steps.

NOTE: Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.

1. On the client computer, confirm that the connection to the Internet is correctly configured.
2. Click Start, click Control Panel, and then click Network Connections. Click Create a new connection under Network Tasks, and then click Next.
3. Click Connect to the network at my workplace to create the dial-up connection. Click Next to continue.
4. Click Virtual Private Network connection, and then click Next.
5. Type a descriptive name for this connection in the Company name dialog box, and then click Next.
6. Click Do not dial the initial connection if the computer is permanently connected to the Internet. If the computer connects to the Internet through an Internet Service Provider (ISP), click Automatically dial this initial connection, and then click the name of the connection to the ISP. Click Next.
7. Type the IP address or the host name of the VPN server computer (for example, VPNServer.SampleDom ain.com).
8. Click Anyone's use if you want to permit any user who logs on to the workstation to have access to this dial-up connection. Click My use only if you want this connection to be available only to the currently logged-on user. Click Next.
9. Click Finish to save the connection.
10. Click Start, click Control Panel, and then click Network Connections.
11. Double-click the new connection.
12. Click Properties to continue to configure options for the connection. To continue to configure options for the connection, follow these steps:
* If you are connecting to a domain, click the Options tab, and then click to select the Include Windows logon domain check box to specify whether to request Windows Server 2003 logon domain information before trying to connect.
* If you want the connection to be redialed if the line is dropped, click the Options tab, and then click to select the Redial if line is dropped check box.

To use the connection, follow these steps:

1. Click Start, point to Connect to, and then click the new connection.
2. If you do not currently have a connection to the Internet, Windows offers to connect to the Internet.
3. When the connection to the Internet is made, the VPN server prompts you for your user name and password. Type your user name and password, and then click Connect.
Your network resources must be available to you in the same way they are when you connect directly to the network.NOTE: To disconnect from the VPN, right-click the connection icon, and then click Disconnect.

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Troubleshooting
Troubleshooting Remote Access VPNs
Cannot Establish a Remote Access VPN Connection

* Cause: The name of the client computer is the same as the name of another computer on the network.

Solution: Verify that the names of all computers on the network and computers connecting to the network are using unique computer names.
* Cause: The Routing and Remote Access service is not started on the VPN server.

Solution: Verify the state of the Routing and Remote Access service on the VPN server.

See Windows Server 2003 Help and Support Center for more information about how to monitor the Routing and Remote Access service, and how to start and stop the Routing and Remote Access service. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: Remote access is not turned on on the VPN server.

Solution: Turn on remote access on the VPN server.

See the Windows Server 2003 Help and Support Center for more information about how to turn on the remote access server. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: PPTP or L2TP ports are not turned on for inbound remote access requests.

Solution: Turn on PPTP or L2TP ports, or both, for inbound remote access requests.

See the Windows Server 2003 Help and Support Center for more information about how to configure ports for remote access. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The LAN protocols used by the VPN clients are not turned on for remote access on the VPN server.

Solution: Turn on the LAN protocols used by the VPN clients for remote access on the VPN server.

See the Windows Server 2003 Help and Support Center for more information about how to view properties of the remote access server. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: All of the PPTP or L2TP ports on the VPN server are already being used by currently connected remote access clients or demand-dial routers.

Solution: Verify that all of the PPTP or L2TP ports on the VPN server are already being used. To do so, click Ports in Routing and Remote Access. If the number of PPTP or L2TP ports permitted is not high enough, change the number of PPTP or L2TP ports to permit more concurrent connections.

See the Windows Server 2003 Help and Support Center for more information about how to add PPTP or L2TP ports. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN server does not support the tunneling protocol of the VPN client.

By default, Windows Server 2003 remote access VPN clients use the Automatic server type option, which means that they try to establish an L2TP over IPSec-based VPN connection first, and then they try to establish a PPTP-based VPN connection. If VPN clients use either the Point-to-Point Tunneling Protocol (PPTP) or Layer-2 Tunneling Protocol (L2TP) server type option, verify that the selected tunneling protocol is supported by the VPN server.

By default, a computer running Windows Server 2003 Server and the Routing and Remote Access service is a PPTP and L2TP server with five L2TP ports and five PPTP ports. To create a PPTP-only server, set the number of L2TP ports to zero. To create an L2TP-only server, set the number of PPTP ports to zero.

Solution: Verify that the appropriate number of PPTP or L2TP ports is configured.

See the Windows Server 2003 Help and Support Center for more information about how to add PPTP or L2TP ports. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN client and the VPN server in conjunction with a remote access policy are not configured to use at least one common authentication method.

Solution: Configure the VPN client and the VPN server in conjunction with a remote access policy to use at least one common authentication method.

See the Windows Server 2003 Help and Support Center for more information about how to configure authentication. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN client and the VPN server in conjunction with a remote access policy are not configured to use at least one common encryption method.

Solution: Configure the VPN client and the VPN server in conjunction with a remote access policy to use at least one common encryption method.

See the Windows Server 2003 Help and Support Center for more information about how to configure encryption. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN connection does not have the appropriate permissions through dial-in properties of the user account and remote access policies.

Solution: Verify that the VPN connection has the appropriate permissions through dial-in properties of the user account and remote access policies. For the connection to be established, the settings of the connection attempt must:
o Match all of the conditions of at least one remote access policy.
o Be granted remote access permission through the user account (set to Allow access) or through the user account (set to Control access through Remote Access Policy) and the remote access permission of the matching remote access policy (set to Grant remote access permission).
o Match all the settings of the profile.
o Match all the settings of the dial-in properties of the user account.
See the Windows Server 2003 Help and Support Center for an introduction to remote access policies, and for more information about how to accept a connection attempt. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The settings of the remote access policy profile are in conflict with properties of the VPN server.

The properties of the remote access policy profile and the properties of the VPN server both contain settings for:
o Multilink.
o Bandwidth allocation protocol (BAP).
o Authentication protocols.
If the settings of the profile of the matching remote access policy are in conflict with the settings of the VPN server, the connection attempt is rejected. For example, if the matching remote access policy profile specifies that the Extensible Authentication Protocol - Transport Level Security (EAP-TLS) authentication protocol must be used and EAP is not enabled on the VPN server, the connection attempt is rejected.

Solution: Verify that the settings of the remote access policy profile are not in conflict with properties of the VPN server.

See the Windows Server 2003 Help and Support Center for more information about additional information about multilink, BAP and authentication protocols. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The answering router cannot validate the credentials of the calling router (user name, password, and domain name).

Solution: Verify that the credentials of the VPN client (user name, password, and domain name) are correct and can be validated by the VPN server.
* Cause: There are not enough addresses in the static IP address pool.

Solution: If the VPN server is configured with a static IP address pool, verify that there are enough addresses in the pool. If all of the addresses in the static pool have been allocated to connected VPN clients, the VPN server cannot allocate an IP address, and the connection attempt is rejected. If all of the addresses in the static pool have been allocated, modify the pool. See the Windows Server 2003 Help and Support Center for more information about TCP/IP and remote access, and how to create a static IP address pool. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN client is configured to request its own IPX node number and the VPN server is not configured to permit IPX clients to request their own IPX node number.

Solution: Configure the VPN server to permit IPX clients to request their own IPX node number.

See the Windows Server 2003 Help and Support Center for more information about IPX and remote access. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN server is configured with a range of IPX network numbers that are being used elsewhere on your IPX network.

Solution: Configure the VPN server with a range of IPX network numbers that is unique to your IPX network.

See the Windows Server 2003 Help and Support Center for more information about IPX and remote access. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The authentication provider of the VPN server is improperly configured.

Solution: Verify the configuration of the authentication provider. You can configure the VPN server to use either Windows Server 2003 or Remote Authentication Dial-In User Service (RADIUS) to authenticate the credentials of the VPN client.

See the Windows Server 2003 Help and Support Center for more information about authentication and accounting providers, and how to use RADIUS authentication. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN server cannot access Active Directory.


Solution: For a VPN server that is a member server in a mixed-mode or native-mode Windows Server 2003 domain that is configured for Windows Server 2003 authentication, verify that:
o The RAS and IAS Servers security group exists. If not, create the group and set the group type to Security and the group scope to Domain local.
o The RAS and IAS Servers security group has Read permission to the RAS and IAS Servers Access Check object.
o The computer account of the VPN server computer is a member of the RAS and IAS Servers security group. You can use the netsh ras show registeredserver command to view the current registration. You can use the netsh ras add registeredserver command to register the server in a specified domain.

If you add (or remove) the VPN server computer to the RAS and IAS Servers security group, the change does not take effect immediately (because of the way that Windows Server 2003 caches Active Directory information) . To immediately effect this change, restart the VPN server computer.
o The VPN server is a member of the domain.
See the Windows Server 2003 Help and Support Center for more information about how to add a group, how to verify permissions for the RAS and IAS security group, and about netsh commands for remote access. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: A Windows NT 4.0-based VPN server cannot validate connection requests.

Solution: If VPN clients are dialing in to a VPN server running Windows NT 4.0 that is a member of a Windows Server 2003 mixed-mode domain, verify that the Everyone group is added to the Pre-Windows 2000 Compatible Access group with the following command:
"net localgroup "Pre-Windows 2000 Compatible Access""
If not, type the following command at a command prompt on a domain controller computer, and then restart the domain controller computer:
net localgroup "Pre-Windows 2000 Compatible Access" everyone /add
See the Windows Server 2003 Help and Support Center for more information about Windows NT 4.0 remote access server in a Windows Server 2003 domain. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: The VPN server cannot communicate with the configured RADIUS server.

Solution: If you can reach your RADIUS server only through your Internet interface, do one of the following:
o Add an input filter and an output filter to the Internet interface for UDP port 1812 (based on RFC 2138, "Remote Authentication Dial-In User Service (RADIUS)"). –or-
o Add an input filter and an output filter to the Internet interface for UDP port 1645 (for older RADIUS servers), for RADIUS authentication and UDP port 1813 (based on RFC 2139, "RADIUS Accounting") . -or-

o -or- Add an input filter and an output filter to the Internet interface for UDP port 1646 (for older RADIUS servers) for RADIUS accounting.
See the Windows Server 2003 Help and Support Center for more information about how to add a packet filter. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: Cannot connect to the VPN server over the Internet using the Ping.exe utility.

Solution: Because of the PPTP and L2TP over IPSec packet filtering that is configured on the Internet interface of the VPN server, Internet Control Message Protocol (ICMP) packets used by the ping command are filtered out. To turn on the VPN server to respond to ICMP (ping) packets, add an input filter and an output filter that permit traffic for IP protocol 1 (ICMP traffic).

See the Windows Server 2003 Help and Support Center for more information about how to add a packet filter. Click Start to access the Windows Server 2003 Help and Support Center.

Cannot Send and Receive Data

* Cause: The appropriate demand-dial interface has not been added to the protocol being routed.

Solution: Add the appropriate demand-dial interface to the protocol being routed.

See the Windows Server 2003 Help and Support Center for more information about how to add a routing interface. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: There are no routes on both sides of the router-to-router VPN connection that support the two-way exchange of traffic.

Solution: Unlike a remote access VPN connection, a router-to-router VPN connection does not automatically create a default route. Create routes on both sides of the router-to-router VPN connection so that traffic can be routed to and from the other side of the router-to-router VPN connection.

You can manually add static routes to the routing table, or you can add static routes through routing protocols. For persistent VPN connections, you can turn on Open Shortest Path First (OSPF) or Routing Information Protocol (RIP) across the VPN connection. For on-demand VPN connections, you can automatically update routes through an auto-static RIP update. See Windows Server 2003 online Help for more information about how to add an IP routing protocol, how to add a static route, and how to perform auto-static updates. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: A two-way initiated, the answering router as a remote access connection is interpreting router-to-router VPN connection.

Solution: If the user name in the credentials of the calling router appears under Dial-In Clients in Routing and Remote Access, the answering router may interpret the calling router as a remote access client. Verify that the user name in the credentials of the calling router matches the name of a demand-dial interface on the answering router. If the incoming caller is a router, the port on which the call was received shows a status of Active and the corresponding demand-dial interface is in a Connected state.

See Windows Server 2003 online Help for more information about how to check the status of the port on the answering router, and how to check the status of the demand-dial interface. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: Packet filters on the demand-dial interfaces of the calling router and answering router are preventing the flow of traffic.

Solution: Verify that there are no packet filters on the demand-dial interfaces of the calling router and answering router that prevent the sending or receiving of traffic. You can configure each demand-dial interface with IP and IPX input and output filters to control the exact nature of TCP/IP and IPX traffic that is permitted into and out of the demand-dial interface.

See Windows Server 2003 online Help for more information about how to manage packet filters. Click Start to access the Windows Server 2003 Help and Support Center.
* Cause: Packet filters on the remote access policy profile are preventing the flow of IP traffic.

Solution: Verify that there are no configured TCP/IP packet filters on the profile properties of the remote access policies on the VPN server (or the RADIUS server if Internet Authentication Service is used) that are preventing the sending or receiving of TCP/IP traffic. You can use remote access policies to configure TCP/IP input and output packet filters that control the exact nature of TCP/IP traffic permitted on the VPN connection. Verify that the profile TCP/IP packet filters are not preventing the flow of traffic.

See Windows Server 2003 online Help for more information about how to configure IP options. Click Start to access the Windows Server 2003 Help and Support Center.

Friday, April 2, 2010

Disk Management in Exp

Disk Management
Normally, you will need to be a local administrator to perform most system configuration functions (even just taking a look at the current configuration settings) on a Windows XP Professional system, and in some cases, there may be a local policy set by some other administrator or if your system is in a Domain, a Domain policy setting which may prevent you from performing some actions.

To open the Disk Management MMC, you can select Start, right-click My Computer, and then click Manage, which will open the Computer Management MMC. Under the Storage icon, click Disk Management to open the Disk Management MMC.



You can also type compmgmt.msc in the RUN box or from a command line to launch the Computer Management MMC.





[NOTES FROM THE FIELD] - What your Start Menu options look like all depend on how you have the menu set. If you are using the Classic Start Menu, you would not see My Computer as a selection to right click on. Your options would be to click Start, select Administrative Tools and then select Computer Management. Not a whole lot different, but perhaps just enough to confuse you.



The Windows XP Professional exam rarely tests you on Classic anything. You need to know how to get from Windows XP Professional settings to Classic and back, but in 90% of the cases you're going to find instructions laid out in the Windows XP Professional vein. I will do my best to point out alternatives in the [NOTES FROM THE FIELD] section as I have done here.


If you want to directly open the Disk Management MMC you can type diskmgmt.msc from the RUN box or from a command line. This will run the tool independently from the Computer Management MMC.



As you can see from the image above, we have a number of basic physical and logical drives on the system, as well as two CD-ROM drives (not shown in the above image).

If there were removable drives on this system, such as Jaz or ORB drives and the like, they would appear here as well. The removable drives, as well as the CD-ROM drives, will either show "no media" when they are empty (or some error is preventing them from seeing inserted media) or the file system of the installed media.



(When I inserted a CD-ROM in my DVD drive, the Disk Management MMC automatically detected the change, refreshed it's view, and displayed the data. The Compact Disk File System (CDFS) is file system of the inserted disk and is displayed.)

When you select a drive in the upper window (which is currently set to the default Volume List View) by left clicking on it once, not only will it become highlighted (in blue), but it will also become shaded in the lower part of the window (which is currently set to the default Graphical List View).



You can change the appearance of both the top and bottom window views by selecting VIEW from the menu and then selecting whichever (or both) views you wish to change. Top and Bottom, along with Settings and Drive Paths are controlled here.



You can change the colors and wallpaper for volumes and disk regions by selecting VIEW and then SETTINGS. The APPEARANCE tab shows all of the current default colors for the available disk regions. Even disk regions that are not currently installed on the system are set with specific colors by default.



You can change how disk sizes are displayed on the SCALING tab. The default settings are shown below.



That's the five cent tour of the Disk Management MMC.

DiskPart
The command line tool, DiskPart, is available in Windows XP Professional, which allows the administrator to handle disk administrative tasks from a command prompt.

You start your session at the command prompt by typing the following:

H:\Documents and Settings\JZANDRI>diskpart

Microsoft DiskPart version 1.0
Copyright (C) 1999-2001 Microsoft Corporation.
On computer: P42GHZ

DISKPART>


This will put you into the DiskPart program session. If you needed to get a little more information on DiskPart before starting your session and tried the standard :\diskpart /?, this is all you would get:

H:\Documents and Settings\JZANDRI>diskpart /?

Microsoft DiskPart version 1.0
Copyright (C) 1999-2001 Microsoft Corporation.
On computer: P42GHZ

Microsoft DiskPart syntax:
diskpart [/s

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