After installing SP2 for MOSS on several farms, I can say that in most cases, the operation goes smoothly. But when it gets wrong, it really gets wrong. Here are some scenarios I have encountered, and the way they were solved (in most cases- with many thanks to Zohar Kimhi). While installing SP2, you get an error – installer can't find a DB While installing the SP2, the installation failed time after time because a content DB that couldn’t be found- no matter what we tried to do. Further investigation...