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Network Security Focus-Microsoft
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RE: Domain logon without network connection + group policies

Subject: RE: Domain logon without network connection + group policies
Date: Sat, 29 Jan 2005 14:23:46 -0500

Through group policy, you can forbid logon without DC authentication.

Actually, the setting to which I believe you refer is for *unlocking*
machines, not logging into them in the first place.

(Computer Configuration\Windows Settings\Security Settings\Local
Policies\Security Options\Interactive logon: Require Domain Controller
authentication to unlock workstation)

Additionally, one can be authenticated by a DC without pulling down
policies. Tricky timing, but authentication and group policy processing are
separate processes

Under Security in GP "Number of previous logons to cache" 
Change this to 0.

See above.

*****word of warning though,
if you have any laptop users, you will run into a rather big problem.
They will not be able to use their system off the network.
Another option if forcing a group policy refresh. The normal 
operation is that every 90-120 minutes GP refreshes, but only 
if the version number has changed (you've made a policy 
change). You can force GP to refresh every X minutes 
regardless. Under GP go to --- Computer Configuration --> 
Administrative Templates --> System --> Group Policy, and 
configure it there.

As the OP mentioned, this won't work if they've never gotten the policy in
the first place.


Laura


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