The Exchange team is announcing today the availability of our latest quarterly update for Exchange Server 2013 and Exchange Server 2010 Service Pack 3 Update Rollup 11.
Cumulative Update 10 for Exchange Server 2013 and UM Language Packs are now available on the Microsoft Download Center. Cumulative Update 10 contains the latest set of fixes and builds upon Exchange Server 2013 Cumulative Update 9. The release includes fixes for customer reported issues, minor product enhancements and previously released security bulletins, including MS15-103. A complete list of customer reported issues resolved can be found in Knowledge Base Article KB3078678. Customers running any previous release of Exchange Server 2013 can move directly to Cumulative Update 10. Customers deploying Exchange Server 2013 for the first time may skip previous releases and start their deployment with Cumulative Update 10 directly.
Cumulative Update 10 does not include updates to Active Directory Schema, but does include additional RBAC definitions requiring PrepareAD to be executed prior to upgrading any servers to CU10. PrepareAD will run automatically during the first server upgrade if Setup detects this is required and the logged on user has sufficient permission.
Microsoft recommends all customers test the deployment of a cumulative update in their lab environment to determine the proper installation process for your production environment. For information on extending the schema and configuring Active Directory, please review the appropriate TechNet documentation.
Also, to prevent installation issues you should ensure that the Windows PowerShell Script Execution Policy is set to “Unrestricted” on the server being upgraded or installed. To verify the policy settings, run the Get-ExecutionPolicy cmdlet from PowerShell on the machine being upgraded. If the policies are NOT set to Unrestricted you should use the resolution steps in KB981474 to adjust the settings.
Reminder: Customers in hybrid deployments where Exchange is deployed on-premises and in the cloud, or who are using Exchange Online Archiving (EOA) with their on-premises Exchange deployment are required to deploy the most current (e.g., CU10) or the prior (e.g., CU9) Cumulative Update release.
Also being released today is, Exchange Server 2010 Service Pack 3 Update Rollup 11 (KB3078674). This release provides an important fix for an Information Store crash when customers are upgrading their Lync server infrastructure to Skype for Business. Exchange Server 2010 is in extended support and will receive security and time zone fixes on-demand on a go-forward basis.
The updates released today are important pre-requisites for customers with existing Exchange deployments who will deploy Exchange Server 2016. Cumulative Update 10 is the minimum version of Exchange Server 2013 which will co-exist with Exchange Server 2016. Exchange Server 2010 Service Pack 3 Update Rollup 11, is the minimum version of Exchange Server 2010 which will be supported in a coexistence deployment with Exchange Server 2016. No earlier versions of Exchange will be supported co-existing with Exchange Server 2016. Exchange Server 2016 is anticipated to be released later this year. Customers who plan to deploy this new release of Exchange into their environment should be aware of these important prerequisites.
Note: Documentation may not be fully available at the time this post was published.
The Exchange Team
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