Microsoft KB Archive/934258

= You cannot add a server that is running Exchange 2000 Server or Exchange Server 2003 to a Hub Transport server role when you set up Exchange Server 2007 =

Article ID: 934258

Article Last Modified on 4/10/2007

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APPLIES TO


 * Microsoft Exchange Server 2007 Enterprise Edition
 * Microsoft Exchange Server 2007 Standard Edition

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INTRODUCTION
This article describes an issue that occurs when you set up Microsoft Exchange Server 2007 in a Microsoft Windows Server 2000-based cluster. You cannot add a server that is running Microsoft Exchange 2000 Server or Microsoft Exchange Server 2003 to a Hub Transport server role.



MORE INFORMATION
You cannot add a server that is running Exchange 2000 Server or Exchange Server 2003 to a Hub Transport server role during the setup of Microsoft Exchange Server 2007 because Windows Server 2000 cluster servers do not have a computer account in the Active Directory directory service.

When you create a routing group connector in Exchange Server 2007, a computer account is created in the ExchangeLegacyInterop security group for the connected computer in Active Directory. However, this computer account does not exist. Therefore, the computer account cannot be added to the ExchangeLegacyInterop security group.

In this scenario, you receive the following error message:

Cannot find computer object in Active Directory for server ' '

If you install Microsoft Windows 2000 Server Service Pack 3 (SP3), you can create a computer account in Active Directory for the cluster virtual server. However, this configuration is not supported for Exchange 2000 Server.

Kerberos authentication for the Network Name resource on which Exchange 2000 depends is not supported on a server cluster. Exchange 2000 was not tested with the expectation that a cluster virtual server would support Kerberos authentication. This configuration may not function correctly.

Future versions of Exchange Server may take advantage of Kerberos authentication for server clusters. For more information about support for Exchange 2000 Server on a Windows Server 2000 Service Pack 3-based computer, click the following article number to view the article in the Microsoft Knowledge Base:

235529 Kerberos support on Windows 2000-based server clusters

Keywords: kbhowto kbexpertiseinter kbexpertiseadvanced kbinfo kbpolicy KB934258

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