Monthly Archive: Dec 2020


Exchange 2016:- Cumulative Update 19 is available

Microsoft have released the next CU for Exchange 2016 and this is CU19. CU18 seemed to have an issue with Shared Mailboxes and I’m sure it has been addressed here, but the interesting part...


Exchange 2016:- Event ID 4999

On your Exchange 2016 server, you might be seeing a number of 4999 Events log. Event ID 4999 is quite a broad error as it can affect multiple things. In this instance we are...