A. Server 2008 R2 introduces some new Active Directory (AD) functionality, and you must prepare both the domain and forest before you introduce a Server 2008 R2 DC.
If you already have Server 2008 DCs, you just need to run the commands
If you're running Windows 2003 DCs, you also need to run command
adprep /domainprep /gpprep
If you want to introduce RODC's (Server 2008 or 2008 R2), you also need to run
You can find adprep in the support\adprep folder of the 2008 R2 media. You should copy this folder to the C: drive of the local computer and execute adprep from the local folder. Remember that you must be a schema admin to run the forestprep update and you should run it on the schema master DC. You must be a domain admin to run domainprep, which should be run on the infrastructure master of the domain.Related Reading:
- Q. Is Windows Server 2008 R2 built on Server 2008's kernel in the same way that Windows Server 2003 R2 was built on Server 2003's kernel?
- Top 10 New Features in Windows Server 2008 R2
- Windows Server 2008 R2: Not Your Average R2
- The Little Things About Windows Server 2008 R2
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