How to repair network or modem connectivity issues in Windows 2000

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Article ID: 837333 - View products that this article applies to.
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INTRODUCTION

This step-by-step article describes how to repair network or modem connectivity issues in Microsoft Windows 2000.

MORE INFORMATION

To repair network or modem connectivity issues, follow these steps:
  1. Remove TCP/IP.
  2. Delete the Bind registry value, the Tcpip subkey, the Winsock subkey, and the WinSock2 subkey.
  3. Reinstall TCP/IP.

Step 1: Remove TCP/IP

Remove TCP/IP for the local area connection. To do this, follow these steps.

Note Before you remove TCP/IP, make a note of the IP and the DNS settings.
  1. Click Start, point to Settings, and then click Network and Dial-up Connections.
  2. Right-click Local Area Connection, and then click Properties.
  3. In the Components checked are used by this connection list, click Internet Protocol (TCP/IP).
  4. Click Uninstall, and then in the Uninstall Internet Protocol (TCP/IP) dialog box, click Yes.
  5. When you are prompted to restart your computer, click Yes.

Step 2: Delete the Bind registry value, the Tcpip subkey, the Winsock subkey, and the WinSock2 subkey

To delete the Bind registry value, follow these steps.Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 How to back up and restore the registry in Windows
  1. Click Start, click Run, type regedit in the Open box, and then click OK.
  2. In the left pane, expand HKEY_LOCAL_MACHINE, and then expand SYSTEM.
  3. Expand CurrentControlSet, and then expand Services.
  4. Expand lanmanserver, and then click Linkage.
  5. In the right pane, right-click Bind, and then click Delete.
  6. In the Confirm Value Delete dialog box, click Yes.
  7. Expand lanmanworkstation, and then click Linkage.
  8. In the right pane, right-click Bind, and then click Delete.
  9. In the Confirm Value Delete dialog box, click Yes.
To delete the Tcpip, the Winsock, and the WinSock2 registry subkeys, follow these steps:
  1. Click Start, click Run, type regedit in the Open box, and then click OK.
  2. In the left pane, expand HKEY_LOCAL_MACHINE, and then expand SYSTEM.
  3. Expand CurrentControlSet, and then expand Services.
  4. Right-click Tcpip, click Delete, and then in the Confirm Key Delete dialog box, click Yes.
  5. Right-click Winsock, click Delete, and then in the Confirm Key Delete dialog box, click Yes.
  6. Right-click WinSock2, click Delete, and then in the Confirm Key Delete dialog box, click Yes.
  7. Restart your computer.

Step 3: Reinstall TCP/IP

Reinstall TCP/IP back to the local area connection that you removed it from. To do this, follow these steps:
  1. Click Start, point to Settings, and then click Network and Dial-up Connections.
  2. Right-click Local Area Connection, and then click Properties.
  3. Click Install, click Protocol in the Click the type of network component you want to install list, and then click Add.
  4. In the Network Protocol list, click Internet Protocol (TCP/IP), and then click OK.

    Note Replace the IP and the DNS settings with the values that you made note of at the beginning of the "Remove TCP/IP section."

Properties

Article ID: 837333 - Last Review: October 30, 2006 - Revision: 1.2
APPLIES TO
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Datacenter Server
Keywords: 
kbnetwork kbhowto KB837333

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