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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
This article describes how to check which service pack version has been installed for Site Server 3.0.
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.
NOTE: A different version of the Ldapsvc.dll file is included with the original Site Server 3.0 installation and each service pack. However, because a different version of the Ldapsvc.dll file can be added at any time (for example through a hotfix), you should not rely on file versions solely to determine which service pack has been installed.
Determining if Site Server 3.0 Service Pack 3 Is Installed
If Service Pack 3 is installed, the following DWORD (hexadecimal) registry key exists, containing a value greater than zero (0):