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

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

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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.

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

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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:

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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.

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