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The RPC server is unavailable.

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Last Modified: 2008-06-01
I'm trying to use DCPROMO to add another domain controller to our network.  I'm getting an "RPC server not available" error when I do this though.  The full error is listed below:

Active Directory Installation Wizard

The wizard cannot gain access to the list of domains in the forest.

This condition may be caused by a DNS lookup problem. For information about troubleshooting common DNS lookup problems, please see the following Microsoft Web site: http://go.microsoft.com/fwlink/?LinkId=5171

The error is:

The RPC server is unavailable.

Also, when I try to join the domain with the system (it's currently set as a workgroup computer), I get this error:

The following error occurred attempted to join the domain "mydomain.local":

Windows cannot find the network path. Verify that the network path is correct and the destination computer is not busy or turned off. If Windows still cannot find the network path, contact your network administrator.

I've been reading through various forum posts and websites for the last two hours trying to find a solution, but nothing seems to work so far.  Any ideas?
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