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How to uninstall SP6

snoffy
snoffy asked
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Last Modified: 2013-12-28
NT4 SP6a swedish.

I installed SP6 first and accidentally also installed the SP6 fix in wrong language. Thereafter I installed the new SP6a (with the fix included) for the correct language. Now the problem; IIS and perl-scripts is not working correctly cause of a bug in SP6. But since I installed SP6a over the other SP6 I don't think there is any easy way to get rid of it and instead install SP5. Or is there??? What happens if I try to install SP5 now?
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Commented:
Hello snoffy,

you could try running uninstall SP6 from \winnt\$NtServicePackUninstall$\.

-Jake-

Author

Commented:
Yep, that removes the SP6a and leaves me with SP6. You see the problem?

Thanks for the quick anser by the way, I really need to solve this fast!

Would an installation of SP5 overwrite the files from SP6?

Anders

Commented:
Hello Anders,

I think that SP5 installation will overwrite the files. It just prompts you that there's newer files and asks if you want to overwrite them.

-Jake-
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Author

Commented:
If SP5 contains the same files as SP6 I'm sure it would, but I don't know if that's the case.

Author

Commented:
engeltje:

Wouldn't that reset the IIS as well?

Anders
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Commented:
It shouldn't but I didn't check it on a machine with IIS installed.
My common settings remained the same.
I am pretty shure however this is the only way to get rid of the service pack. I did try a lot to do so, even just copy the SP files manually over the new installed servicepack. Nothing helped, till I called Microsoft. They told me too there is only one way to downgrade the SP...
Be shure you take a good backup of the configuration. This is a large step to take.

Commented:
I upgraded NT4 to NT4 but still it reported SP6. Also, now the IIS service won't start...

So my mission failed :) Leaves me with the option of reinstalling the whole machine and paying a fortune to ID applications for reinstalling the Basis Database software.

Thanks for your time anyway!

Author

Commented:
That comment from Pcguru was me as well.
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