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(2005-11-20) What Information Is Available When UPGRADING From W2K/E2K To W2K3 (R2)/E2K3?

Posted by Jorge on 2005-11-20


The following articles will helps you in your migration from W2K/E2K to W2K3 (R2)/E2K3 and especially when doing an in-place upgrade of the domain:
* MS-KBQ314649_W2K3 ADPREP Command Causes Mangled Attributes in W2K Forests That Contain E2K Servers (
http://support.microsoft.com/?id=314649)

* MS-KBQ293783_Cannot Upgrade Windows 2000 Server to Windows Server 2003 with Windows Services for UNIX 2.0 Installed (http://support.microsoft.com/?id=293783)

* MS-KBQ919938_FIX: Error message when you try to prepare the Active Directory directory service for Windows Server 2003 R2: "Attribute value for objects defined in Windows 2000 schema and extended schema do not match" (http://support.microsoft.com/?id=919938)

* MS-KBQ887426_Incorrect Schema extension for OS X prevents ForestPrep from completing in Windows 2000 (http://support.microsoft.com/?id=887426)

* MS-KBQ325379_How to Upgrade Windows 2000 Domain Controllers to Windows Server 2003 (http://support.microsoft.com/?id=325379)
* MS-KBQ555040_Common Mistakes When Upgrade Windows 2000 Domain To Windows 2003 (
http://support.microsoft.com/?id=555040)
* MS-KBQ324392_Enhancements to Adprep.exe in Windows Server 2003 Service Pack 1 and in hotfix 324392 (
http://support.microsoft.com/?id=324392)
* Also see:
http://www.microsoft.com/technet/prodtechnol/windowsserver2003/library/ServerHelp/bc5ebbdb-a8d7-4761-b38a-e207baa73419.mspx)
* What do I need to do to prepare my Windows 2000 forest for the installation of the first Windows Server 2003 DC? (
http://www.petri.co.il/windows_2003_adprep.htm)
* MS-KBQ555038_How to enable Windows 98-ME-NT clients to logon to Windows 2003 based Domains (
http://support.microsoft.com/?id=555038)
* MS-KBQ555262_Common Mistakes When Upgrading Exchange 5.5-2000 To a Exchange 2003 (
http://support.microsoft.com/?id=555262)
* MS-KBQ822942_Considerations When You Upgrade to Exchange Server 2003 (
http://support.microsoft.com/?id=822942)

You also may wanna pay special attention to the following articles when increasing the functional levels of your forest (FFL):

* Domain and forest functionality (http://technet2.microsoft.com/WindowsServer/en/library/b3674c9b-fab9-4c1e-a8f6-7871264712711033.mspx?mfr=true)

* Raise the forest functional level (http://technet2.microsoft.com/WindowsServer/en/library/83347346-54d4-4963-8a4a-370a127fb3751033.mspx?mfr=true)

* MS-KBQ322692_How to raise domain and forest functional levels in Windows Server 2003 (http://support.microsoft.com/?id=322692)

* MS-KBQ831809_Exchange 2000 Recipient Update Service does not replicate changes successfully in forest functional level 1 or 2 in Windows Server 2003 Active Directory (http://support.microsoft.com/?id=831809)

* MS-KBQ873059_The Recipient Update Service does not update objects correctly when Exchange 2000 Server is running in a Windows Server 2003 forest (http://support.microsoft.com/?id=873059)

* MS-KBQ903291_Recipient Update Service may overwrite the value of the homeMDB attribute for new Exchange Server 2003 users (http://support.microsoft.com/?id=903291)

* The Recipient Update Service and Linked Value Replication (http://msexchangeteam.com/archive/2006/03/27/423248.aspx)

To update the schema:
* Disable OUTBOUND replication (REPADMIN) on the schema FSMO, extend the schema and check if everything is OK (be AWARE that replication can still be forced)
* Disable OUTBOUND replication (REPADMIN) on another DC
* Force replication (REPADMIN) between the schema master and the other DC and check if everything is OK (REPADMIN /REPLICATE…)
* If ALL = OK, enable outbound replication on both DCs (REPADMIN)
OR
* Create an additional site and site link (with no schedule) and put the schema FSMO in it, extend the schema, check if everything is OK, put another DC in the site, let the extension replicate and check if everything is OK
* If ALL = OK relocate the DCs back to their original site

NOTE:

This information also applies BOTH to W2K3 or W2K3 R2. The only difference is that W2K3 will update the AD schema to version 30 and W2K3 R2 will update the AD schema to version 31. Besides that, no interesting differences

Cheers,
Jorge
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* This posting is provided "AS IS" with no warranties and confers no rights!
* Always evaluate/test yourself before using/implementing this!
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https://jorgequestforknowledge.wordpress.com/disclaimer/
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