I had a strange issue recently: Did some minor changes on an edit “custom list form” and it stopped working: When users clicked OK, the mostly elaborated “unexpected error” appeared. Exploring deeper, I found that “Input string was not in a correct format”. After spending a lot of time trying to fix the code, found this blog with the only workaround that solved the issue: - In share point designer SP2 , list attachments are enabled in edit forms. - Due to that this tag is added to the web part code...
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...