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Glen, I suspected that is what Windows is doing. But, in the last few hours I have also run across a Windows Server 2003 feature termed "constrained delegation" which seems to designed specifically for this double hop problem. My research so far let me to a nice explanation of this new feature at http://www.pluralsight.com/wiki/default.aspx/Keith.GuideBook/WhatIsDelegation.html, http://www.pluralsight.com/wiki/default.aspx/Keith.GuideBook/HowToConfigureDelegationViaSecurityPolicy.html, and http://www.pluralsight.com/wiki/default.aspx/Keith.GuideBook/HowToAddCIAToASocketBasedApp.html I am going to load Win2k3 R2 server on a test machine and try a few experiments. Rg, Mike