Exchange Server 2019 articles, fixes and updates - Year 2020

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Exchange Server 2019 that have been released in Year 2020. The list is daily updated.

• 4522149 Cumulative Update 4 for Exchange Server 2019 Q4522149 KB4522149 February 19, 2020
• 4536987 Description of the security update for Microsoft Exchange Server 2019 and 2016: February 11, 2020 Q4536987 KB4536987 February 11, 2020
• 4538303 Exchange 2019 Setup Prerequisite Check fails for .NET 4.8 Framework in CU4 on Windows builds 1909 and 1903 Q4538303 KB4538303 January 22, 2020