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How do I Uninstall service pack 1on 2003 server

Hi, I have a Win 2003 server. It performed an Auto-Update and installed SP1. The problem is that I didn't want an service pack on the server. I checked add/remove programs and I've uninstalled all updates, but SP1 is not listed in there.

Any ideas?
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1 Solution
1.Open a command prompt and type:
cd %systemroot%\$NtServicePackUninstall$\spuninst\

2. Type Spuninst.exe
wannabecraigAuthor Commented:

it's says it cannot perform the uninstall because updspapi.dll was not found
wannabecraigAuthor Commented:
I downloaded the dll file and ran the tool again.
This time it started but gave the error mag.
'The handle is invalid'
Then it said that the service pack was not uninstalled.

Any ideas?
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