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 Learn 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.

Summary

Cumulative Update 5 for Microsoft Exchange Server 2013 is released on May 27, 2014. This Cumulative Update resolves a list of issues.
 

Issues that the cumulative update resolves

This update resolves the issues that are described in the following Microsoft Knowledge Base (KB) articles:

  • 2963590 Message routing latency if IPv6 is enabled in Exchange Server 2013

  • 2963566 Outlook Web App accessibility improvement for UI appearance in Exchange Server 2013

  • 2962439 You cannot sync contacts or tasks in Microsoft CRM client for Outlook in an Exchange Server 2013 environment

  • 2962435 CRM synchronization fails if the time zone name of a meeting is not set in an Exchange Server 2013 environment

  • 2962434 Slow performance in Outlook Web App when Lync is integrated with Exchange Server 2013

  • 2958430 "Some or all Identity references could not be translated" error when you manage DAG in Exchange Server 2013 SP1 in a disjoint namespace domain

  • 2957592 IME is disabled in Outlook Web App when you press Tab to move the focus in an email message in Exchange Server 2013

  • 2942609 Exchange ActiveSync proxy does not work from Exchange Server 2013 to Exchange Server 2007

  • 2941221 EWS integration for Lync works incorrectly in an Exchange Server 2013 and 2007 coexistence environment

  • 2926742 Plain-text message body is cleared when writing in Outlook Web App by using Internet Explorer 8 in Exchange Server 2013

  • 2926308 Sender's email address is broken after importing a PST file into an Exchange Server 2013 mailbox

  • 2925559 Users always get the FBA page when they access OWA or ECP in Exchange Server 2013

  • 2924519 "SyncHealth\Hub" folder is created unexpectedly after installing Cumulative Update 2 for Exchange Server 2013

  • 2916113 Cannot open .tif files from email messages by using Windows-based applications in an Exchange Server 2013 environment

  • 2592398 Email messages in the Sent Items folder have the same PR_INTERNET_MESSAGE_ID property in an Exchange Server 2010 environment

  • 2938292 Default apps in Outlook Web App do not work if Exchange is installed in Window Server 2012 R2

This cumulative update also resolves the following issue:

  • Exchange Server 2013 does not delete stale temporary files from the server. This may cause a disk space issue on the server.

More Information

For more information about 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.

References

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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