Are you logging in with "UNION.LOCAL\<username>"? If it's to access a network share (like \\UNION.LOCAL\share), I've found that you need to find the actual drive name and put a $ after the share name (like \\<drive name>\share$). You can find the actual drive name by looking at the Properties for a folder on the share (on a PC that works) and looking at the DFS tab. Steve