Exchange 2013 to 2019 Upgrade
Exchange 2013 to 2019 Upgrade KB ID 0001808 Exchange 2013 to 2019 Upgrade With Exchange 2013 going end of support (11 Apr 2023) you should be migrating away from it as soon as you can, (as it’s only supported on up to Server 2012 R2), so you should have migrated off it already! It’s been some time since Exchange had any ‘major’ redesigns, 2013 was version 15, 2016 was version 15.1, and 2019 is Version 15.2. So...