“There was an error while performing this operation”

Question

I have a website in IIS for which I cannot open any of the settings like Authentication, Handler Mappings, Authorization Rules etc. It just shows the error message \"There was a

Answer 1

It turned out the website was using URL rewrite module which i was missing.

Downloaded web platform installer from MS and installed URL rewrite module.

http://www.microsoft.com/web/downloads/platform.aspx

Wish IIS errors were more informative than just "There was an error..."