You experience incompatibility issues when you implement the following operations in Exchange System Manager or in the Active Directory Users and Computers snap-in in Microsoft Exchange Server 2003:

•	In Exchange System Manager, you change the offline address list server from a server that is running Exchange 2003 to a Microsoft Exchange Server 2007 server.
•	In Exchange System Manager, you select an Exchange 2007 server as the offline address list server when you create a new offline address list.
•	In Exchange System Manager, you change the Recipient Update Service server to an Exchange 2007 server.
•	In Exchange System Manager, you remove an Exchange 2007 server.
•	In Exchange System Manager, you use Queue Viewer to open the Exchange 2007 queue. However, you receive an error message in the Additional queue information area. Therefore, you cannot view the queue.
•	In Exchange System Manager, you create a recovery storage group under the Exchange 2007 object.
•	In Exchange System Manager, you create a system policy in an Exchange 2003 administrative group to include Exchange 2007 servers from an Exchange 2007 administrative group.
•	In Exchange 2003 Active Directory Users and Computers snap-in, you select the Exchange 2007 mailbox stores when you create mailbox-enabled objects or when you move mailboxes.
•	In Exchange System Manager, you reconnect to Exchange 2007 mailboxes in the Mailbox Recovery Center.

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Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

Because of file dependencies, Microsoft Exchange Server 2003 Service Pack 2 (SP2) must be installed on the server before you apply this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Restart requirement

You do not have to restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

File name	File version	File size	Date	Time	Platform
Exadmin.dll	6.5.7652.11	21,965,824	26-Jan-2007	21:40	x86
Maildsmx.dll	6.5.7652.11	14,647,808	26-Jan-2007	21:42	x86

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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