Hello,
By default, Windows Vista filters the access token when you authenticate via
the network to a box as an administrator local to the box. This effectively
prevents you from using any administrator powers remotely when authenticated
to a box as an administrator local to that box.
To change this behavior, create or modify the following registry value:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\LocalAccountTokenFilterPolicy
This is a DWORD value. Set it to 1.
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- JB
Windows Vista Support Faq
http://www.jimmah.com/vista/