Error Message: TCP/IP CP Reported Error 733 (244603)


The information in this article applies to:

  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional
This article was previously published under Q244603
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SYMPTOMS

When you attempt to connect to an Internet service provider (ISP) using Dial-Up Networking, you may receive the following error message:
Check networking protocol connections...

TCP/IP CP reported error 733: Your computer and the remote computer could not agree on PPP control protocols.

CAUSE

This behavior can occur if the Negotiate multi-link for single link connections option is enabled.

RESOLUTION

To resolve this issue:
  1. Click Start, point to Settings, and then click Network and Dial-up Connections.
  2. Right-click the connection you want to use to connect to the ISP, and then click Properties.
  3. Click the Networking tab.
  4. Click Settings.
  5. Click to clear the Negotiate multi-link for single link connections check box.
  6. Click OK.
  7. Click OK.

STATUS

This issue occurs because the client and server configurations are not compatible.

MORE INFORMATION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

Windows 2000 RC2

The Negotiate multi-link for single link connections option is enabled by default in Windows 2000 RC2, but the user interface for disabling this option is not present in RC2. To disable this option in RC2, you can modify the registry:
  1. Start Registry Editor (Regedt32.exe).
  2. Locate the following key in the registry:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RASMAN\PPP

  3. On the Edit menu, click Add Value, and then add the following registry value:

    Value Name: DontNegotiateMultilinkOnSingleLinks
    Data Type: REG_DWORD
    Value: 1

  4. Quit Registry Editor.
  5. Restart the computer.
Modification Type:MajorLast Reviewed:11/13/2003
Keywords:kbDialUp kbenv kbprb KB244603
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