Applies to: Exchange Server 2007 SP1
Topic Last Modified: 2009-07-17

Microsoft has released Update Rollup 6 for Microsoft Exchange Server 2007 Service Pack 1 (SP1). This article describes the following information about the update rollup:

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Issues That the Update Rollup Fixes

Update Rollup 6 for Exchange Server 2007 SP1 fixes the issues that are described in the following Microsoft Knowledge Base articles:

950675

Downloaded .xls file attachments are empty when you open the files by using Outlook Web Access on Exchange Server 2007 Service Pack 1

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Some free/busy messages are not replicated from Exchange 2007 to Exchange 2003 servers after some mailboxes are migrated from Exchange Server 2003 to Exchange Server 2007

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The Microsoft Exchange File Distribution service uses lots of memory and processor time when Exchange Server 2007 processes many OABs

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The Microsoft Exchange Transport service crashes continuously after you enable journal rule or deploy an antivirus application on an Exchange Server 2007 server

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The custom message class of contact object is overwritten by the normal IPM.Contact class when an Exchange 2007 server replicates the contact object to any other public store

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MS09-003: Vulnerabilities in Microsoft Exchange could allow remote code execution

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Service Pack Information

These issues are fixed in Microsoft Exchange Server 2007 Service Pack 2 (SP2). Microsoft released Exchange Server 2007 SP2 in July 2009.

To obtain Exchange 2007 SP2 from the Microsoft Download Center, see Exchange Server 2007 Service Pack 2.

For more information about the issues that are fixed in Exchange Server 2007 SP2, see Issues That Are Fixed in Exchange Server 2007 Service Pack 2.

Update Rollup Information

Update Rollup 6 for Exchange Server 2007 Service Pack 1 has been replaced by a later update rollup. You should install the latest update rollup.

To obtain the latest update rollup from the Microsoft Download Center, see Update Rollup 9 for Exchange Server 2007 Service Pack 1.

To obtain Update Rollup 6 for Exchange Server 2007 Service Pack 1, see Update Rollup 6 for Exchange Server 2007 Service Pack 1.

Important:
Before you install an update rollup or a service pack, see How to Install the Latest Service Pack or Update Rollup for Exchange 2007 for prerequisites, installation instructions, and known issues. Before you apply an update rollup to clustered Mailbox servers, see Applying Exchange 2007 Update Rollups to Clustered Mailbox Servers.

For more information about the Exchange 2007 servicing model, see Exchange 2007 Servicing.

This update rollup does not apply to Exchange 2007 release to manufacturing (RTM) version or to Exchange 2007 Service Pack 2 (SP2). The series of update rollup packages for Exchange 2007 SP1 is independent of the corresponding series of update rollups for Exchange 2007 RTM or Exchange 2007 SP2.

For a list of update rollups that apply to Exchange Server 2007 SP1, see the "Update rollups for Exchange Server 2007 Service Pack 1" section in How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007.

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