Cumulative Update 8 for Exchange Server 2013

The Exchange team is announcing today the availability of Cumulative Update 8 for Exchange 2013. The Cumulative Package and UM Language Packsare now available on the Microsoft Download Center. Cumulative 8 represents the continuation of our Exchange 2013 servicing and builds upon Exchange Server 2013 Cumulative Update 7. The release includes fixes for customer reported issues, minor product enhancements and previously released bulletins. A complete list of customer reported resolved can be found in Knowledge Base Article KB3030080. Customers any previous release of Exchange 2013 can move directly to Cumulative 8 today. Customers deploying Exchange 2013 for the first time may skip previous releases and start their with Cumulative Update 8 directly.

We would like to call your attention to a few items in particular about the Cumulative 8 release:

  • Calendar and Contact Modern Public Folders favorites added in Outlook are now accessible in OWA
  • Batch Migration of Public Folders to 2013 improves migration throughput and PF migration experience
  • Smoother migration for EAS clients to O365 with automatic profile redirect upon successful Hybrid migration to O365 (EAS client must support HTTP 451 redirect)

For the latest information and product announcements please read What’s New in Exchange Server 2013, Release Notes and product documentation available on TechNet.

Cumulative 8 includes Exchange related updates to Active Directory schema and configuration. For information on extending schema and configuring the active directory please review the appropriate TechNet documentation. Also, to prevent installation issues you should ensure that the Windows Script Execution Policy is set to “Unrestricted” on the being upgraded or installed. To verify the policy settings, run the Get-ExecutionPolicy cmdlet from 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 Archiving (EOA) with their on-premises Exchange are required to the most current (e.g., CU8) or the prior (e.g., CU7) Cumulative release.

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