Microsoft has certainly embraced the quarterly update cadence for Exchange server! This month the Exchange Server team is releasing updates for all currently supported versions of Exchange:
- Exchange Server 2016 Cumulative Update 1 (CU1)
- Exchange Server 2013 Cumulative Update 12 (CU12)
- Exchange Server 2010 Service Pack 3 Update Rollup 13 (RU13)
- Exchange Server 2007 Service Pack 3 Update Rollup 19 (RU19)
Here’s a few of the key points from the Microsoft Exchange Team blog:
- All of the updates include an update to the OWA S/MIME control to sign the control with a SHA-2 compliant certificate. S/MIME users will need to reinstall the control to receive the update.
- Exchange 2016 updates are now shipping as ISO files instead of self-extracting EXEs. I have no idea who was asking Microsoft to make that change, but it surely wasn’t anyone here in Australia who now needs to download a 3x size file over our terrible internet connections.
- Exchange 2013 CU12 reverts the mailbox anchoring that was introduced in CU11 and caused some unexpected issues. It’s good to see Microsoft responding to the issue by rolling this back (for now).
- Exchange 2010 gets support for the new standalone Hybrid Configuration Wizard.
Some additional notes:
- Exchange 2016 CU1 includes schema changes
- Exchange 2013 CU12 does not include schema changes from CU11, but may include RBAC changes, and may involve a schema update if you’re upgrading from a build prior to CU11. It’s generally recommended to run /PrepareAD anyway, or upgrade your first server with Enterprise Admins and Schema Admins so that the AD prep can automatically run for you.
- .NET 4.6.1 remains unsupported on Exchange servers for now
- If you’re running Exchange on Windows Server 2012 R2, review this known issue that causes Exchange updates to install very slowly.
Exchange Server 2016:
Exchange Server 2013:
Exchange Server 2010: