RPC Server errors -- why do they keep happening.

Hi,
Within my network we just had some major changes occur.  I had to change the master operations from one DC to another DC.  While that happened DNS became a mess and the following error kept appearing when I tried to remote into anyone of my 60 boxes.  

The System cannot log you on due to the following error: The RPC Server is unavailable.  Please try again or consult your system administrator

I looked up the appropriate kb article in microsoft, http://support.microsoft.com/kb/555839.

That did me know good, as my DNS settings, time zone settings, and services indicated w/n the kb article were all correct and still this error messages keeps appearing when i remote into my servers.  

If anyone could help me out on what i need to do in order to get my boxes back to normal that would be great.  

Thanks and thanks for your time in advance.  
CPGHelpDeskAsked:
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Cro0707Commented:
Check your DNS and see if you have right pointer for DC. If not, delete old one and create new one with right IP address.

Hope this help.
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cgordon81Commented:
Hopefully DHCP will work, but if not check your scope on the server and set to an ip within that scope.  Also create a host file to help resolve your DC.(http://vlaurie.com/computers2/Articles/hosts.htm)
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