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Do not use Active Directory Users and Computers, the Live Communications Server 2005 administrative tools, or the Office Communications Server 2007 administrative tools to move or modify users until step 7 is complete.


Remove the original global settings tree structure from the System container as follows:


Do not perform this step until steps 5 and 6 are complete.

cscript MigrateOcsGlobalSettings.vbs /Action: DeleteSystemGlobalSettingsTree

Using Setup to Run Schema Preparation

Before you begin, you can use a text editor, such as Windows Notepad, to review all of the Active Directory schema extensions that will be modified for Office Communications Server. The Schema.ldf file, which contains the Active Directory schema extensions, is located in the \Setup\amd64 folder on the Office Communications Server 2007 R2 Standard Edition CD or the Office Communications Server 2007 R2 Enterprise Edition CD.

The Office Communications Server schema extensions are replicated across all child domains, which impacts network traffic. Run schema preparation at a time when network usage is low.


The Prep Schema wizard must access the Schema Master, which requires that the remote registry service is running and that the remote registry key is enabled. If the remote registry service cannot be enabled on the Schema Master, you can run the wizard locally on the Schema Master. For details about registry remote access, see Microsoft Knowledge Base article 314837, "How to Manage Remote Access to the Registry," at http://go.microsoft.com/fwlink/?LinkId=125769.

ADSI Edit is an Active Directory Domain Services administration tool that you can use to verify that the Prep Schema wizard ran successfully. For Windows Server 2003, ADSI Edit is included with the Support Tools. For Windows Server 2008, this tool is included with the Remote Server Administration Tools (RSAT).

For Windows Server 2003, Support Tools are available from the Windows Server 2003 CD in the \SUPPORT\TOOLS folder, or you can download them from Windows Server 2003 Service Pack 2 32-bit Support Tools at http://go.microsoft.com/fwlink/?LinkId=125770. Instructions for installing the Support Tools from the product CD are available at Install Windows Support Tools at http://go.microsoft.com/fwlink/?LinkId=125771. Adsiedit.dll is automatically registered when you install the support tools. If, however, you copied the files to your computer, you must run the regsvr32 command to register the adsiedit.dll file before you can run the tool.

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