My SRS installation wasn't playing nice with IIS 6 so I decided to uninstall the service. I kept getting this error while uninstalling tho:
The setup failed to read IIsMimeMap
I looked through the logs and they were...daunting and useless.
Ultimately, I needed to Stop the DefaultWebSite on IIS . STOPPING IIS SERVICE DOESN'T FIX THIS PROBLEM. You actually have to go to the DefaultWebSite node and Stop.
Here is the forum post that helped me:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=199180&SiteID=1
This is a known bug and according to this post, this issue will be fixed in SP2 of SQL Server 2K5.