Cumulative Update 6 for Microsoft Exchange Server 2013 was released on August 26, 2014. This cumulative update resolves a list of issues
Download Cumulative Update 6 for Exchange Server 2013 (KB2961810) now.
- The Cumulative Update 6 package can be used to perform a new installation of Exchange Server 2013 or to upgrade an existing Exchange Server 2013 installation to Cumulative Update 6.
- You do not have to install Cumulative Update 1 or a later cumulative update for Exchange Server 2013 when you install Cumulative Update 6.
This update resolves the issues that are described in the following Microsoft Knowledge Base (KB) articles:
Hybrid Configuration wizard error "Subtask CheckPrereqs execution failed" for Exchange Server 2013
EMS takes a long time to execute the first command in an Exchange Server 2013 Cumulative Update 5 environment
RPC Client Access service crashes on an on-premises Mailbox server in an Exchange Server 2013 hybrid environment
AutodiscoverSelfTestProbe fails when external URL is not set for EWS virtual directory in Exchange Server 2013
AutodiscoverSelfTestProbe fails when external URL is not set for ECP virtual directory in Exchange Server 2013
The ServerWideOffline component is set to Inactive after Exchange Server 2013 prerequisite check fails
"532 5.3.2" NDR when you send an email message to a hidden mailbox in an Exchange Server 2013 environment
Removed Default or Anonymous permission for Outlook folders cannot be restored in an Exchange Server 2013 environment
"Topology service cannot find the OWA service" when you perform an eDiscovery search in Exchange Server 2013
Mail-enabled public folder accepts email messages from unauthorized users in an Exchange Server 2013 environment
OAB generation arbitration mailbox can be removed or disabled in an Exchange Server 2013 environment
The Enter key submits duplicate sign-in forms to Outlook Web App in an Exchange Server 2013 environment
You cannot access the archive mailbox of a delegated user after enabling MAPI over HTTP
Incorrect voice mail message duration in an Exchange Server 2013 environment
You cannot add attachments, delete or move many email messages in bulk in Outlook Web App
MAPI/CDO client cannot connect to Exchange Server 2013
You cannot disable journaling for protected voice mail in an Exchange Server 2013 environment
Exchange Server 2010 public folder replication fails in an Exchange Server 2013 environment
Calendar item body disappears in Outlook online mode in an Exchange Server 2013 environment
OAB generation fails if FIPS is used in an Exchange Server 2013 environment
Blank page after you sign in to Exchange Server 2013 EAC (formerly ECP)
Folder Assistant rule does not work correctly in an Exchange Server 2013 environment
EAS device cannot sync free/busy status if an item is created by EWS in an Exchange Server 2013 environment
Message routing latency if IPv6 is enabled in Exchange Server 2013
"Something went wrong" error in Outlook Web App may show an incorrect date
Users cannot access mailboxes in OWA or EAS when mailbox database is removed
Sender's DKIM signature is broken in an Exchange Server 2013 environment
This update also includes new daylight saving time (DST) updates for Exchange Server 2013. For more information about DST, go to the following Microsoft website:
The setup process for Exchange Server 2013 will identify any missing prerequisites.
You have to restart the computer after you apply this cumulative update package.
You do not have to make any changes to the registry after you apply this cumulative update package.
After you install this cumulative update package, you cannot uninstall the cumulative update package to revert to an earlier version of Exchange Server 2013. If you uninstall this cumulative update package, Exchange Server 2013 is removed from the server.
For more information about other cumulative updates for Exchange Server 2013, go to the following Microsoft website:
For more information about the coexistence of Exchange Server 2013 and earlier versions of Exchange Server in the same environment, go to the following Microsoft website:
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 2961810 - Last Review: March 23, 2015 - Revision: 3.0
- Microsoft Exchange Server 2013 Enterprise
- Microsoft Exchange Server 2013 Standard
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