Exchange 2016 CU1

Cumulative Update 1 for Exchange 2016 is now available for direct download. It contains 5 documented new fixes or improvements and all previously released fixes and security updates for Exchange 2016.

Notable fixes are:

  • Changed: Remote PowerShell sessions will now no longer be using Mailbox Anchoring.
  • Updated S/MIME Control for Outlook Web Access. Users who have installed the earlier version of the control must update it via OWA.
  • KB3135688: Preserves the web.config file for Outlook Web App when you apply a cumulative update in Exchange Server 2016.
  • KB3124242: Mailbox quota is not validated during migration to Exchange Server 2013 or Exchange Server 2016.

Download: Cumulative Update 1 for Exchange Server 2016 (KB3134844)
Download: Exchange Server 2016 CU1 UM Language Packs
View: Description of Cumulative Update 1 for Exchange Server 2016
View: Blog post of the Exchange Team about CU 1 for Exchange Server 2016