Applies to: Exchange Server 2007
Topic Last Modified: 2009-06-29

Microsoft has released Update Rollup 4 for Exchange Server 2007. This article describes the following information about the update rollup:

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Issues That the Update Rollup Fixes

Update Rollup 4 for Exchange Server 2007 fixes the issues that are described in the following Microsoft Knowledge Base articles:


You receive NDR messages for some recipients when you send e-mail messages on an Exchange 2007-based server


You experience problems in Outlook Web Access for Exchange 2007 after daylight saving time (DST) starts in New Zealand in 2007


A mailbox move operation stops responding when you move a mailbox from an Exchange 2003 mailbox store or from an Exchange 2007 mailbox store to another Exchange 2007 mailbox store


Appointments that are sent from one Exchange organization to another by using Exchange 2007 may be incorrect by one hour if one organization is in the Western Australia time zone


You receive a non-delivery report (NDR) message when you try to send an e-mail message to a third-party connector address by using a third-party connector on an Exchange 2007-based computer


The Microsoft Exchange Information Store service stops responding in Exchange 2007 after you enable the Standard Response option on a moderated public folder


Error message when you use the Exchange Management Console to try to reconnect a mailbox to a user account: "The specified mailbox is not unique on database"


Mobile devices cannot send e-mail by using the AirSync feature in an Exchange Server 2007 organization that has more than one thousand accepted domains


Users cannot download offline address books in Exchange 2007 when you use Microsoft Solution for Hosted Messaging and Collaboration version 4.0


The Microsoft Exchange Information Store service uses almost 100 percent of CPU resources on an Exchange 2007 server, and Outlook clients display the "Outlook retrieving data" dialog box


The body of a read receipt message displays the read date in an incorrect format for a mailbox that is hosted in Exchange 2007

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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 2007 SP2, see Issues That Are Fixed in Exchange Server 2007 Service Pack 2.

Update Rollup Information

Update Rollup 4 for Exchange Server 2007 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 7 for Exchange Server 2007.

To download and install Update Rollup 4 for Exchange Server 2007, see Update Rollup 4 for Exchange Server 2007.

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 Server 2007 Service Pack 1 (SP1) or Exchange Server 2007 Service Pack 2 (SP2). The series of update rollup packages for Exchange Server 2007 is independent of the corresponding series of update rollups for Exchange Server 2007 SP1 or SP2. For a list of update rollups that apply to Exchange Server 2007 RTM, see the "Update Rollups for Exchange Server 2007 RTM" section in How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007.

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