JSI Tip 2801. How can I tell if SP6a is installed, using the registry?

Jerold Schulman

September 5, 2000

1 Min Read
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In tip 2047, we learned how to manually check whether Service Pack 6a has been installed in Windows NT 4.0.

The standard method of inspecting the CSDVersion value name at
HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows NT/CurrentVersion does not show the a, showing only Service Pack 6.

If Service Pack 6a has been installed, the Installed value name at
HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows NTCurrentVersionHotfixQ246009 will contain a 1.


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Jerold Schulman

Jerold Schulman

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