Cumulative Update 8 for Exchange Server 2013

The team is announcing today the availability of Cumulative Update 8 for . The Cumulative Update Package and UM Language Packsare now available on the Download Center. represents the continuation of our Exchange Server 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 security bulletins. A complete list of customer reported issues resolved can be found in Knowledge Base Article KB3030080. Customers running any previous release of Exchange Server 2013 can move directly to Cumulative Update 8 today. Customers deploying Exchange Server 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 Update 8 release:

  • Calendar and Contact Modern Public Folders favorites added in are now accessible in OWA
  • Batch of Public Folders to 2013 improves throughput and PF experience
  • Smoother migration for EAS clients to O365 with automatic profile redirect upon successful 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 Update 8 includes Exchange related updates to schema and configuration. For information on extending schema and configuring the please review the appropriate TechNet documentation. Also, to prevent installation issues you should ensure that the Execution Policy is set to “Unrestricted” on the server 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 , or who are using Archiving (EOA) with their on-premises Exchange deployment are required to deploy the most current (e.g., CU8) or the prior (e.g., CU7) Cumulative Update release.