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This article discusses how to install the Windows Server 2003 R2 components, otherwise known as Windows Server 2003 R2 disk 2, onto an Active Directory Domain Services (ADDS) Domain Controller (DC) running Windows Server 2003 Service Pack 1 (SP1).
Before installing Windows Server 2003 R2 onto a Domain Controller, the Active Directory schema must be modified. The modifications are for DFS, UNIX support, print server support, etc. These modifications are made through running the ADPREP tool that most Windows Server administrators are familiar with. R2 ships with a new version of ADPREP (5.2.3790.2075) which is located at the following location on Disk 2 (the R2 disk):
\CMPNENTS\ R2\ ADPREP
This version of ADPREP will add additional schema updates to those made by the version of ADPREP that shipped with Windows Server 2003 (5.2.3790.1830). The schema version will increment by one, from 30 to 31. Note. The original Windows Server 2003 ADPREP can be located at the following location on Disk 1: \i386
Windows Server 2003
If you are running a Windows Server 2003 Active Directory forest (the existing forest has at least one Windows Server 2003 Domain Controller, which means that the Windows Server 2003 ADPREP tasks have been successfully completed) then only the Forest Prep switch is needed:
ADPREP /FORESTPREP
This simply further extends the schema (the version number of the schema increments from 30 to 31).
Windows 2000 Server
If your Active Directory has not yet been prepared for Windows Server 2003, then you should now use the R2 version of ADPREP to perform the Forest Prep, Domain Prep and GPO permissions modifications (if necessary):
ADPREP /FORESTPREP
ADPREP /DOMAINPREP
[ADPREP / DOMAINPREP /GPPREP]
This extends the schema incorporating both Windows Server 2003 schema changes and the new R2 schema changes (the version number of the schema increments from 13 to 31).
Note. If you attempt to install R2 without extending the schema, you will be faced with this error:
Running ADPREP
To run ADPREP, you simply type ADPREP / < option > at the command line. For example:
C:\Documents and Settings\paulw>cd \system\CMPNENTS\r2\adprep
C:\system\CMPNENTS\R2\ADPREP>adprep /forestprep
ADPREP WARNING:
Before running adprep, all Windows 2000 domain controllers in the forest should be upgraded to
Windows 2000 Service Pack 1 (SP1) with QFE 265089, or to Windows 2000 SP2 (or later).
QFE 265089 (included in Windows 2000 SP2 and later) is required to prevent potential domain
controller corruption.
For more information about preparing your forest and domain see KB article Q331161 at
http://support.microsoft.com/.
[User Action]
If ALL your existing Windows 2000 domain controllers meet this requirement, type C and then
press ENTER to continue. Otherwise, type any other key and press ENTER to quit.
c
Opened Connection to R2-DC-01
SSPI Bind succeeded
Current Schema Version is 30
Upgrading schema to version 31
Connecting to "R2-DC-01"
Logging in as current user using SSPI
Importing directory from file "C:\WINDOWS\system32\sch31.ldf"
Loading entries.........................................................................
...................................................................
139 entries modified successfully.
The command has completed successfully
Adprep successfully updated the forest-wide information.
C:\system\CMPNENTS\R2\ADPREP>
Note. In order to successfully complete this operation, you must be logged in as a member of Schema Admins and Enterprise Admins, and must be able to contact the schema master. If the current Schema master is a Windows 2000 system, you must also enable schema modifications.
Installing Windows Server 2003 R2
Once you have performed the schema modification, you can install Windows Server 2003 R2. However you should verify that the schema has been modified successfully first, and that this information has replicated to your DCs.
Note. msresource.net article "How to determine if ADPREP has completed successfully" explains how to check if ADPREP has completed successfully Windows Server 2003 R2 performs one additional operation to the standard Windows Server 2003 ADPREP, which means that there will be 37 objects as opposed to the 36 mentioned in the above article.
To install Windows Server 2003 R2, run SETUP2.EXE from the following location on disk 2:
\CMPNENTS\ R2\
You are prompted with a welcome screen.
Choose next, then enter the product key, choose next again and agree to the license then choose next again.
View the summary and click next again.
When the files finish copying, you are presented with the completion page. Choose finish.
Windows Server 2003 R2 is now installed. You add the features that you want through the "Add/ Remove Windows Components" section of "Add or Remove programs".
Summary
Before you can install Windows Server 2003 R2 on a Domain Controller, or before you can make use of the new DFS, UNIX and Print services, you must extend your Active Directory forest's schema. You do this using a new version of ADPREP on the 2nd Windows Server 2003 CD-ROM under \COMPNENTS\ R2\ ADPREP. If you are running at least one Windows Server 2003 Domain Controller already, you only need to run the /FORESTPREP switch. If you haven't updated your forest to Windows Server 2003 yet, you have to run both /FORESTPREP and /DOMAINPREP. You can also choose whether or not you use the optional /GPO
Document information
Author: Paul Williams
Date: 05-03-2006
Version: 1.1.1
Last updated: 05-03-2006
Last updated by: Paul Williams
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