It's actually not a batch file - I was just using that as an example. We have SQL Server on the same server as SAS and had used the...

Yes, he was in sysxlogins too.  I don't have access denied to any particular Windows group - I just grant access on this server to the individual developers based on...

He was trying to connect to the default instance (servername only).   I gave him permissions first through Enterprise Manager, then tried giving it using T-SQL and Query analyzer.  Neither worked...