Hi, we are already running a Windows 2003 Server with Forest. Recently I set up a new Windows Server 2008 64bit and want to add the same in existing Forest as Domain Controller. The reason behind this is existing 2003 DC is not allowing us to login due to several problems. We have spent several weeks for fixing the same but yet no success hence we decided to add a new server as DC. And so we setup a new Server.
Now the problem am facing is as Server 2003 has gone invalid I’m no longer able promote the 2008 to dc. I thought if create a hyper-v virtual machine with 2003, transferring roles to the 2003 virtual machine, and running adprep from there will do the job. I did all these stuffs properly but I received some errors and problems. For example as soon as I ran forestprep, I don’t know why domainprep /gpprep gets failed. When I checked the logs, it says:
Adprep unable to update domain information.
Adprep requires access to existing domain-wide information from the infrastructure master in order to complete this operation.
Any help please?
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