Microsoft released the quarterly updates for Exchange Server are now available on the Microsoft Download Center. Exchange Server 2016 receives its first Cumulative Update, and Exchange Server 2013 Cumulative Update 12 is also released. Exchange Server 2007 and Exchange Server 2010 Update Rollups provide an updated OWA S/MIME control signed with a SHA-2 certificate. More information and highlights of all these releases can be found below.
Updated OWA S/MIME control
All of the packages released today include an update to the OWA S/MIME control. The control itself has not changed, but has now been signed with a SHA-2 compliant certificate. All of the updates released will install the updated control onto the Exchange Server. Users who have installed the control into their browser will need to re-install this onto devices where the previous version was installed. Installing the control is straight forward and can be done quickly using OWA Options, Exchange Control Panel or Exchange Admin Center depending upon the release of Exchange you are using.
New distribution package for Exchange Server 2016 updates
With the introduction of Cumulative Updates for Exchange Server 2016, we are making a change to the update package type for this product version. Previous versions of Exchange used self-extracting packages to deliver service packs and cumulative updates. We have heard requests to release these updates as .ISO’s. With the capability to mount .ISO’s directly in Windows Server 2012 and later, we think it makes sense to ship Cumulative Updates as .ISO’s. At this time, we are not planning to do this for Exchange Server 2013 Cumulative Updates but could be persuaded to do so if enough people ask for it. One down side to this approach is that the package is much larger. However, copying a single .ISO vs. the ever growing number of files and folders over the network is much more efficient and faster. We hope you like this change.
Change to Mailbox Anchoring for Remote PowerShell
We heard your feedback on the changes to load balancing Remote PowerShell introduced into Exchange Server 2013 and 2016. As announced by Ross here, we have reverted this behavior in the Cumulative Updates being released today.
Additional languages for Outlook on the Web
Exchange Server 2016 Cumulative Update 1 adds support for 17 additional languages in Outlook on the Web. These languages will appear automatically in the language selection drop down after a server is updated to Cumulative Update 1.
.Net 4.6.1 Support
We know that many of you have been asking about .Net 4.6.1 and Exchange. Rest assured we are working closely with the .Net Framework team to resolve issues preventing us from supporting .Net 4.6.1 with Exchange Server. While we are not there yet, we hope to be very soon. Support for .Net 4.6.1 is planned for future Cumulative Updates for Exchange Server 2013 and 2016.
Slow installations on Windows Server 2012 R2
For customers who are running Exchange on Windows Server 2012 R2, we want to make certain you are aware of a condition which can substantially increase the amount of time it takes to install Exchange Updates on this OS. Working with the .Net team, we have discovered that systems which have applied Windows Update KB3097966 can take 50% more time to install Exchange. The .Net team is working on a resolution to this and will include a fix in a future product update. In the meantime, customers who have deployed this Windows update can take a one-time action on their server before installing Exchange or a Cumulative Update to bring installation time back to normal. This procedure needs to be done once on every Exchange server running Windows Server 2012 R2. The command to execute is:
“%windir%\Microsoft.NET\Framework64\v4.0.30319\ngen.exe update”
Errors and warnings encountered running this command can be safely ignored provided the final exit status code of 0 is reported in the output.
Support for Standalone Hybrid Configuration Wizard in Exchange Server 2010
Customers using Exchange Server 2010 in Hybrid mode with Office 365 will notice a new link in the EMC to use the Updated Standalone Hybrid Configuration Wizard. We encourage all customers to use this updated version of the Hybrid Configuration Wizard.
Release Details
KB articles which contain greater depth on what each release includes are available as follows:
- Exchange Server 2016 Cumulative Update 1 (KB3134844), Download, UM Lang Packs
- Exchange Server 2013 Cumulative Update 12 (KB3108023), Download, UM Lang Packs
- Exchange Server 2010 Service Pack 3 Update Rollup 13 (KB3141339), Download
- Exchange Server 2007 Service Pack 3 Update Rollup 19 (KB3141352), Download
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