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:
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.
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
This cumulative update fixes the issues that are described in the following Microsoft Knowledge Base articles:
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.
Learn about the terminology that Microsoft uses to describe software updates.