This article was previously published under Q289215
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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
After you use a slipstreamed installation to upgrade a computer from Windows NT 4.0, Terminal Server Edition, to Windows 2000 Server Service Pack 1 (SP1), the version information in the registry may not show that SP1 is installed. This behavior raises issues for programs that require installation of SP1.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
To work around this behavior, manually add the missing registry value:
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.
Start Registry Editor (Regedt32.exe).
Locate and click the following key in the registry: