No an access denied should not stop the process as we did not set any code to quit on any error. The individual UDFS have exit codes but only to exit the UDF, not the main script.

Can you e-mail me the list so I can review it for potential issues? If not that's okay - things to look for are maybe special characters or names or spaces in the middle of names.

Really review the list of names for oddities.

How many systems are in the list?