Adding Windows 2008 DC's to Existing Domain

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Adding Windows 2008 Domain Controllers

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· You will need the Windows 2008 CD.

· In order to Add 2008 DC’s, the domain functional level needs to be at least Windows 2000 native.

· Check the forest/domain level. If you’re domain is not the root domain in the forest, you may not have sufficient rights to update the forest schema.

· You will need to create or use an existing user account which is a member of the following security groups.

Enterprise Admins

Schema Admins

Domain Admins for the domain that contains the schema master.

· Log onto the Schema Master DC as a user with the rights specified above. To check the Schema Master role you’ll need to load a DLL by running regsvr32 schmmgmt.dll from command prompt to enable the Schema snap-in. You can then go to Start-Run->Type MMC; select File-Add/Remove Snap In and select Active Directory Schema. One loaded, right click on Active Directory Schema and select Operations Master. The current Schema Master will be displayed.

· Go to command prompt and run... D:\sources\adprep\adprep /forestprep

Assuming D:\ is the CD drive.

If you have more than 1 domain controller, you should wait at least 15 minutes for the changes to replicate to other domain controllers

· From the Infrastructure Master DC, go to command prompt and run...D:\sources\adprep\adprep /domainprep /gpprep

Assuming D:\ is the CD drive.
Again if you have more than 1 domain controller, you should wait at least 15 minutes for the changes to replicate to other domain controllers.
To identify the domain Infrastructure Master, go to Active Directory Users and Computers, right-click the domain, click Operations Masters, and then click Infrastructure.

· Join the Windows 2008 server as a member server.

· Go to Start-Run-Type DCPROMO and run through the wizard.

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Transferring DC (FSMO) Roles

· Schema Master via Active Directory Schema

· Domain Naming Master via Active Directory Domains and Trusts

· RIS Master via Active Directory Users and Computers

· PDC Emulator via Active Directory Users and Computers

· Infrastructure Master via Active Directory Users and Computers

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