This feature requires the underlying OS to support it, and that is present in Windows Server 20. Exchange 20 now have integration with the Antimalware Scan Interface (AMSI), which you can read more about here. This was done to add in an additional security feature. This release was slightly delayed as previously announced. The latest DST time zone updates are also included. This is nothing new, but is of particular importance given the recent issues with Hafnium. Update 21-7-2021 “Object reference not set to an instance of an object” error and Setup fails in Exchange 2019 CU CU21 – please note that setup will fail if the default computers Containers has been removed or renamed.Įxchange 2016 CU21 includes all previously released security updates. Details for the release are contained in KB 5003611.Įxchange 2016 has transitioned out of mainstream support lifecycle, and is now it the extended support phase of its lifecycle. 008 of Exchange 2016 and the update is helpfully named ExchangeServer2016-圆4-CU21.iso which allows us to easily identify the update. Exchange 2013 has the same servicing methodology.
CUs are a complete installation of Exchange 2016 and can be used to install a fresh server or to update a previously installed one.
Exchange 2016 CU21 has been released to the Microsoft download centre! Exchange 2016 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup Updates (RU/UR) which were used previously.