Exchange 2013 CU18

Cumulative Update 18 for Exchange 2013 is now available for direct download. It contains 4 documented new fixes or improvements and all previously released fixes and security updates for Exchange 2013.

  • This update includes the latest time zone updates.
  • KB4040755: New health monitoring mailbox for databases is created when Health Manager Service is restarted in Exchange Server 2013
  • KB4040121: You receive a corrupted attachment if email is sent from Outlook that connects to Exchange Server in cache mode
  • KB4040120: Synchronization may fail when you use the OAuth protocol for authorization through EAS in Exchange Server 2013

This release includes no new updates to the Active Directory Schema.

Compatibility with .Net 4.7.1 will be added to CU19. Support for .NET 4.7.0 will be skipped as .NET 4.7.1 will be released soon.

Download: Cumulative Update 18 for Exchange Server 2013 (KB4022631)
Download: Exchange Server 2013 CU18 UM Language Packs
View: Description of Cumulative Update 18 for Exchange Server 2013
View: Blog post of the Exchange Team about CU18 for Exchange Server 2013