Download Microsoft Exchange Server 2013 CU 15

Microsoft has already released the 15th Cumulative Update for Exchange Server 2013. Exchange Server 2013 was released in January 2013. Mainstream support from Microsoft will run until April 2018, and extended support will run until April 2023. Only security and time zone updates will be implemented during this extended period. For a general discussion about Exchange Server 2013, you can visit the general Exchange 2013 topic on our forum. The KB article with number 3197044 mentions the following changes:

Cumulative Update 15 for Exchange Server 2013

Cumulative Update 15 for Microsoft Exchange Server 2013 was released on December 13, 2016. Several nonsecurity issues are fixed in this cumulative update or a later cumulative update for Exchange Server 2013. This release includes support for Windows time zone updates released through October 2016.

Issues that this cumulative update fixes

• KB 3198092 Update optimizes how HTML tags in an email message are evaluated in an Exchange Server 2013 environment
• KB 3198046 FIX: The UM mailbox policy is not honored when UM call answering rules setting is set to False in an Exchange Server 2013 environment
• KB 3195995 FIX: Event ID 4999 with MSExchangerepl.exe crash in Exchange Server 2013
• KB 3208886 Send As permission of a linked mailbox is granted to a user in the wrong forest in Exchange Server 2013
• KB 3188315 Messages are stuck in outbox when additional mailboxes are configured in Outlook on Exchange Server 2013
• KB 3202691 Public folders indexing doesn’t work correctly after you apply latest cumulative updates for Exchange Server
• KB 3203039 PostalAddressIndex property isn’t returning the correct value in Exchange Server 2013
• KB 3198043 Shadow OAB downloads don’t complete in Exchange Server 2013
• KB 3208885 Microsoft.Exchange.Store.Worker.exe process crashes after mailbox is disabled in Exchange Server 2013
• KB 3201966 MSExchangeOWAAppPool application pool consumes excessive memory on restart in Exchange Server 2013
• KB 3209041 FIX: An ActiveSync device becomes unresponsive until the sync process is complete in an Exchange Server environment
• KB 3209013 FIX: The LegacyDN of a user is displayed incorrectly in the From field in the Sent Items folder on an ActiveSync device
• KB 3209018 FIX: Results exported through the eDiscovery PST Export Tool never finishes in an Exchange Server environment
• KB 3199519 Inconsistent search results when email body contains both English and non-English characters in Exchange Server 2013
• KB 3211326 “ConversionFailedException” error when emails are sent on the hour in Exchange Server 2013