I want to rename the current DC from Group1 to Group2 by using Netdom. Group1 is the old DC with Windows NT 4.0 and Group2 is Windows Server 2003. We want to replace the old server to the new one and therefore we want to change the new server to the name of the old server. The problem is that I have disconnected the new DC from the network when I tried to rename it, so that it will not crash with the old DC in the network. But now the DC is standalone and will not connect to any network, and I want to change the DC name to Group1 but in comman prompt when I type - netdom computername Group2 /add Group1, then it will give me error message - RPC server is unavailable? Can anyone please help. Thanks.
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