Many times in the last couple of years I have come across the message " The user does not exist or is not unique." It is usually on its own, with no other error messages or clues to deciphering its cryptic text. Generally I have had only limited...
I thought I'd already covered this, but a quick look through my history shows I didn't. Locking down a Web Application's people picker to a specific OU is very easy, but not well known. stsadm -o setsiteuseraccountdirectorypath -url http:...