Microsoft KB Archive/128430

= Cannot Install TCP/IP After Installing SQL Server =

Article ID: 128430

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Server 3.5

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This article was previously published under Q128430



SYMPTOMS
After you install SQL server and then run Control Panel to install TCP/IP, Connectivity Utilities is unavailable (grayed out), even though TCP/IP is not installed.



CAUSE
When you install SQL Server and choose to include the TCP/IP connectivity on a computer running Windows NT without TCP/IP installed, a message is displayed that asks you if you want to proceed. If you select Yes, false TCP/IP and Parameter keys are created in the following registry key under the HKEY_LOCAL_MACHINE subtree:

  \SYSTEM\CURRENTCONTROLSET\SERVICES

When you attempt to install TCP/IP, Windows NT finds the registry entries, and believes that TCP/IP is already installed, and installs utilities, but not the protocol.



WORKAROUND
To work around this problem, delete the registry keys created by SQL Server, install TCP/IP, and then reinstall SQL Server.

Additional query words: prodnt

Keywords: KB128430

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