Wednesday, January 25, 2012

Do not delete Files in "C:\Windows\installer" On SharePoint Servers

Never delete the Install cache folder %windir%\installer to free up some disk space. This will cause serious problems during service pack upgrades! 

In one of my case, It happened. Installer folder was deleted and when I tried installing the Service pack 2 , It scolded me with this error:
"The detection failed, this can be due to a corrupted installation database."
The detection failed, this can be due to a corrupted installation database
Workaround is: I copied the files inside Installer cache from other SharePoint server and ran the upgrade again. It worked!

Update:
Found these articles to collect the Install cache from other servers and update the failed server:
http://moss2007.kbnk.info/Patching/solved-the-detection-failed-this-can-be-due-to-a-corrupted-installation-database.html

http://social.technet.microsoft.com/Forums/en/sharepointadmin/thread/cfa66cd3-2aa2-44ee-9393-ffae41d4f70c



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