Cumulative Update 13 for Exchange Server 2013

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Notice

This update is no longer available. To fix the issues that are described in this article, install the latest Microsoft Exchange Server update from the following Microsoft Docs article:

Exchange Server build numbers and release dates

Microsoft provides download files only for N-2 versions for an Exchange Server cumulative update (CU), where "N" is the latest CU. The latest CU can be used to recover servers that are running Exchange Server. This includes servers that have a previous CU installed.

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Summary

Cumulative Update 13 for Microsoft Exchange Server 2013 was released on June 21, 2016. Several nonsecurity issues are fixed in this cumulative update or a later cumulative update for Exchange Server 2013.

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Issues that this cumulative update fixes

This update fixes the security issues that are described in the MS16-079: Security update for Microsoft Exchange: June 14, 2016 article.

Additionally, this cumulative update fixes the issues that are described in the following Microsoft Knowledge Base articles:

This update also includes new daylight saving time (DST) updates for Exchange Server 2013. For more information about DST, go to Daylight Saving Time Help and Support Center.

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Cumulative update information

Prerequisites

The setup process for Exchange Server 2013 identifies any missing prerequisites.

Restart requirement

You may have to restart the computer after you apply this cumulative update package.

Registry information

You don't have to make any changes to the registry after you apply this cumulative update package.

Removal information

After you install this cumulative update package, you can't uninstall the package to revert to an earlier version of Exchange Server 2013. If you uninstall this cumulative update package, Exchange Server 2013 is removed from the server.

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More Information

For more information about the deployment of Exchange Server 2013, see Release notes for Exchange 2013.

For more information about the coexistence of Exchange Server 2013 and earlier versions of Exchange Server in the same environment, see Exchange 2013 system requirements.

For more information about other Exchange updates, see Exchange Server Updates: build numbers and release dates.

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