Good question to illustrate the finer points of the function.  I find that knowing the details of the functions is the key to using them effective...and not misusing them.

Thanks, Steve.  If you keep posting questions like this, I just might learn R! 😉

Does the user or group the job is running as (xxxx in your OP) exist and have permissions to the server?
Better yet, is the account locked?  We got this...

It sounds like a winner to me.  When I heard of a company talk up their unlimited PTO, game rooms, snacks in the office every morning, etc., I became immediately...