Cumulative Update 2 for Exchange Server 2013


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.


This article describes Cumulative Update 2 for Microsoft Exchange Server 2013 that provides the latest fixes for Exchange Server 2013 and contains stability and performance improvements. This update enables you to install Exchange Server 2013 in your existing Exchange Server 2010 or Exchange Server 2007 organization. 


  • The Cumulative Update 2 package can be used to perform a new installation, or to upgrade an existing Exchange Server 2013 installation to Cumulative Update 2.

  • You do not need to install Cumulative Update 1 for Exchange Server 2013 when you are installing Cumulative Update 2.

For more information before the deployment of Exchange 2013, see Release Notes for Exchange 2013.

For more information about coexistence of Exchange 2013 and earlier versions of Exchange Server, see Exchange 2013 System Requirements.

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


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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