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Slow domain logon.  How can it be made to be quicker?

pcmb asked
Last Modified: 2012-06-21
This is a Windows XP Pro SP2 computer and the domain logon is slow.  It is using the DC for DNS.  But when it is starting up the time to execute "Preparing Network Connections", "Applying computer Settings", and "Applying Security Policy".  Is it possible to speed up each of these processes.
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make sure the network group name is the exactly the same. other than that, try forwarding the ports if you could do that.
Is this a single domain environment? How many domain controllers?   Is it a single site environment?  Is this happening for all computers in your location?
If it is NOT a single site, enable universal group caching on the additional site.

Assuming that is not the case, it is either a single machine or multiple machines.

Single Machine
1.  Check for virus and spyware causes.  Check HOST file.  Perform an NSLOOKUP
2.  Replace the machine with a known good machine for testing purposes.  If the known good fails, it is network hardware or network media that is the issue.
3.  Ghost and redeploy with a fresh image.  If problem persists, look at a local hardware issue.

Multiple Machines
1.  http://support.microsoft.com/kb/556006
2.  Replace network cable and change switch ports.
3.  Check task manager for processor or memory utilization.  Check for page faults and high IO.  If this is the case, create a second DC in the same domain and transfer the PDC Emulator role to it.
Check  eventviewer for any errors which will give us more info to trouble shoot
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