Servers Crashing

We have three Win 2003 Servers that are domain controllers.  All three installed critical updates from Microsoft last week and this week on rebooting none of them will come up.  Multiple services fail to start and when we open Network Properties there are no Network connections.  Rebooting in Safe Mode will bring them up so they can access the network and others on the network can access them.  In Normal Mode the will not access the network and nothing can access them.  We have tried uninstalling the two updates that installed last week but that didn't help.  We have 2003 servers that are not DCs that are working fine.  We have 2000 servers that are DCs and they are working fine.  So it has to be the 2003 server with DC and critical updates.  Any ideas?
TechNutsAsked:
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becraigConnect With a Mentor Commented:
keep me posted  you might want to check your GPO's as well as your schema infrastructure since the time period you mention sounds like the time it takes for a policy update to run there may be something "wonky" in your AD set up indeed isolate it on a server by server basis if you can afford to
taking boxes off the network until you can identify where the error might be
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becraigCommented:
why not restore the servers to their system state prior to the critical updates there may be driver issues with the nic's installed and the critical updates put out by microsoft.  Did you test these update before approval for installation (Do you have a staging environment for updates ? this would be well suggested so as to minimize downtime) I would suggest replicating the machines in a virtual environment and in the future applying updates to the virtual servers before distributing for install.

You can do a p2v of the machine and operate it in a vmware environment to better troubleshoot the issue (Acronis true image is a good tool for this)
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TechNutsAuthor Commented:
I have an update to this problem.
It isn't the critical updates causing the problem.  I think the problem may be our Active Directory.  Any 2003 server that I bring up, doesn't matter about hardware, service packs, updates, etc.  I make it a DC, reboot and everything is working fine.  I wait about a half hour and reboot again and the server will not come up.  My 2000 DCs seem to be doing fine.  I am testing one of those now.
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