Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all previousl...
Updated Dec 16, 2019
Version 1.0
Blog Post
CU4 fails to install with:
Error:
This computer requires .NET Framework 4.8 (https://support.microsoft.com/kb/4503548).
For more information, visit: https://docs.microsoft.com/Exchange/plan-and-deploy/system-requirements?view=exchserver-2019
But .net 4.8 is already installed on Windows Server Core Version 10.0.18362.535