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Instant Migration from Windows Server 2008 and 2008 R2 to 2012 How-to by Santhosh Sivarajan

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Active Directory migration (Must know)

We will start with the Active Directory migration. At this point, we have the proven migration plan and tested all procedures in the lab.

Getting ready

The following prerequisites have to be met before we can introduce the first Windows Server 2012 Domain Controller into the existing Active Directory domain:

  • In order to add a Windows Server 2012 Domain Controller, the Forest Functional Level (FFL) must be Windows Server 2003.
  • ADPREP is part of the domain controller process and the schema will get upgraded during this process. So the account must have the Schema and Enterprise admins privileges to install the first Windows Server 2012 Domain Controller.
  • If there is a firewall between the new server and the existing ...

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