Can someone please explain to me HOW to figure out what is causing the unbelievably vague error of "Server Error in '/' Application....turn off custom errors...blah, blah, blah"
Of course, I have changed ever web.config in the c:\InetPub\wwwroot folder (and subfolders) to have the correct setting....and still.
When I attempt to add a new user via the 'Central Administration:Site Settings:People and Groups - Farm Administrators'
I'm able to enter the user name on the 'Grant Permissions' but when I click ok...I get the error.
any advice would be great!