Wednesday, January 29, 2014

AD : PrincipalOperationException A device attached to the system is not functioning

Best error message ever.

Got this on a web site - WTF - what device?

Card reader, CD drive ... not on a web site, mate!

Turns out this is during a create on a user or a group in AD where the name is greater than the allowed field length.

So for Create User - the SAMAccountName can't be greater than 20 characters,

There's probably a similar restriction for  group since I got the same error.

Good interview question :-)


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