Windows server 2003 R2 / Standard Edition / Service Pack 2
Not a small business server
Account is active and able to receive/transmit messages, not hidden
BE 2010 is fully patched.
No remote agents involved.
Backup to tape was done on the native macjhine itself. runnning Exchange 2003.
Trying to restore a mailbox from previously made tape on this server.
Succesful restores in the past, yes!