Exchange Server 2016 CU1 Released

Today Microsoft released Cumulative Update 1 (CU1) for Exchange Server 2016 which was announced back In December.

Don’t forget to read the article I published about the 6 Things You Must Know About Exchange Server 2016 Before CU1 Release.

CU1 brings a few new Improvements In performance, security and new features which Includes:

  • For the first time CU1 Is released as an ISO image with a total size of 6GB which can easily be mounted on to Exchange VM without the need to extract the files.
  • Added support to 17 additional languages In Outlook On the Web
  • .NET 4.6.1 Support
  • Fix to slow Installation time on Windows Server 2012 R2 that have KB3097966 Installed the fix to It Is to run the line below on each Exchange Server before the upgrade

    “%windir%\Microsoft.NET\Framework64\v4.0.30319\ngen.exe update”

  • CU1 will make changes to Active Directory Schema so make sure you Install CU1 with account that Is part of the Schema admins group

To download CU1 go to: