Microsoft have released Exchange 2013 CU3. The list of bug fixes are included below.
Summary
This article describes Cumulative Update 3 for Microsoft Exchange Server 2013 that provides the latest fixes for Exchange Server 2013 and contains stability and performance improvements.
Notes
The Cumulative Update 3 package can be used to perform a new installation, or to upgrade an existing Exchange Server 2013 installation to Cumulative Update 3.
You do not need to install Cumulative Update 1 or Cumulative Update 2 for Exchange Server 2013 when you are installing Cumulative Update 3.
For more information before the deployment of Exchange 2013, go to the following Microsoft website:
Release Notes for Exchange 2013
For more information about coexistence of Exchange 2013 and earlier versions of Exchange Server, go to the following Microsoft website:
Exchange 2013 System Requirements
INTRODUCTION
Issues that the update rollup resolves
Cumulative Update 3 for Microsoft Exchange Server 2013 contains the fix for the security issue that is described in Security Bulletin MS13-061 and resolves the issues that are described in the following Microsoft Knowledge Base (KB) articles:
2865161 "Errors: Failed exporting item id: from source id" when you try to copy search results in an Exchange Server 2013 environment
2871980 Child domains are not displayed for selection when you create a mailbox by using EAC in an Exchange Server 2013 environment
2878160 "The Active Directory user wasn't found" error when you create or update an In-Place eDiscovery search in an Exchange Server 2013 environment
2874216 Security issue that is described in Security Bulletin MS13-061 is resolved by an Exchange Server update
2882608 Exchange Server 2013 does not share the inproxy.dll file
2886115 Retention policies are not applied to Exchange Server 2013 mailboxes when user accounts are on different domains
2888274 WebClientReadFormQueryString string and WebClientEditFormQueryString string return incorrect URLs in an Exchange Server 2013 environment
2888315 Event 2112 or 2180 is logged when you try to back up a database in an Exchange Server 2013 environment
2888612 Retention policy does not work after you run a cmdlet in an Exchange Server 2013 environment
2889786 Sign-in format for Outlook Web App on mobile devices is not adjusted according to the Set-OwaVirtualDerictory cmdlet in an Exchange Server 2013 environment
2890650 Items in the Drafts folder are not stamped with the retention policy tag in an Exchange Server 2010 or 2013 environment
2895487 "Copy Search Results" option does not work in an Exchange server 2013 environment
2895500 DBCS characters appear garbled when you run some PowerShell scripts in EMS in an Exchange Server 2013 environment
2895678 "Nombre de usuario\dominio" is displayed unexpectedly on the Spanish version of the OWA and EAC logon pages in an Exchange Server 2013 environment
2902929 You cannot forward an external meeting request in an Exchange Server 2013 environment
2902929 You cannot forward an external meeting request in an Exchange Server 2013 environment
2902933 Generate incident report does not display the Bcc field in an Exchange Server 2013 environment
2902934 Korean language localization issues in Exchange 2013 OWA user interface
2902936 You cannot change SMTP addresses for distribution groups by using EAC in an Exchange Server 2013 environment
2902938 You cannot preview Office documents in shared folders by using Outlook Web App in an Exchange Server 2013 environment
2902939 EMS connection error when you install Exchange Server 2013 Mailbox server and Client Access server separately
2883203 Exchange Server 2013 restarts frequently after Cumulative Update 2 is installed
2890814 No redirection to the Outlook Web App URL for Exchange Online users in an Exchange hybrid deployment
Resolution
Cumulative update package information
Download information
The following file is available for download from the Microsoft Download Center:
Download Cumulative Update 3 for Exchange Server 2013 package now.
Release Date: November 12, 2013
Prerequisites
Exchange 2013 setup will identify any missing prerequisites.
Restart requirement
You have to restart the computer after you apply this cumulative update package.
Registry information
You do not have to make any changes to the registry after you apply this cumulative update package.
Removal information
After you install this cumulative update package, you cannot uninstall the cumulative update package to revert to an earlier version of Exchange 2013. If you uninstall this cumulative update package, Exchange 2013 is removed from the server.
References
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