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

Known issues in this cumulative update

In multidomain Active Directory forests in which Exchange is installed or has been prepared previously by using the /PrepareDomain option in SETUP, this action must be completed after the /PrepareAD command for this cumulative update has been completed and the changes are replicated to all domains. Setup will try to execute the /PrepareAD command during the first server installation. Installation will finish only if the user who initiated SETUP has the appropriate permissions.

Issues that this cumulative update fixes

This cumulative update fixes the issues that are described in the following Microsoft Knowledge Base articles:

  • 4487603 "The action cannot be completed" error when you select many recipients in the Address Book of Outlook in Exchange Server 2013

  • 4490060 Exchange Web Services Push Notifications can be used to gain unauthorized access

  • 4490059 Reducing permissions required to run Exchange Server using Shared Permissions Model

Get Cumulative Update 22 for Exchange Server 2013

Download Center

Download Download Cumulative Update 22 for Exchange Server 2013 (KB4345836) now.

Download Download Exchange Server 2013 CU22 UM Language Packs now.

Notes

  • The Cumulative Update 22 package can be used to run a new installation of Exchange Server 2013 or to upgrade an existing Exchange Server 2013 installation to Cumulative Update 22.

  • You do not have to install any previously released Exchange Server 2013 cumulative updates or service packs that were released before Cumulative Update 22 before you install Cumulative Update 22.

File Information

File hash information

File name

SHA1 hash

SHA256 hash

Exchange2013-x64-cu22.exe

2C2BD3A34437D93901BFFA8E5C3A252F391703B5

A91D853A5A449391DD4436F09B5F1686FEBEC769279375F886CA252ADE75C872

 

Exchange server file information

Download the list of files that are included in this security update KB 4345836.

How to get help and support for this security update

Help for installing updates: Protect yourself online

Help for protecting your Windows-based computer from viruses and malware: Microsoft Security

Local support according to your country: International Support

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