I'm with Douglas on the vulnerability of this approach. Have you looked
into using a call to obtain the NT logon instead?

Regards

Jeff Boyce
Microsoft Office/Access MVP

"mario" wrote in message
...
This used to work fine in Access 2003 to insert a default value in a
field.
=Environ("USERNAME") & " on " & Environ("COMPUTERNAME")

Can you please let me know what is the equivalent in Access 2007