Exchange Server 2019 articles, fixes and updates - letter U

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

• 4576652 Updates for Exchange Server 2019 Sizing Calculator version 10.5 Q4576652 KB4576652 September 15, 2020
• 4502865 "User is already being moved‎" error when you move mailboxes from on-premises to Exchange Online in a hybrid deployment Q4502865 KB4502865 May 10, 2019