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.

• 5035452 Usernames are not displayed in Event ID 23 and 258 Q5035452 KB5035452 February 16, 2024
• 5034398 Users can't receive email messages or connect to their mailbox Q5034398 KB5034398 December 12, 2023
• 5030781 Users in account forest can’t change expired password in OWA in multi-forest Exchange deployments after installing August 2023 SU Q5030781 KB5030781 October 12, 2023
• 5028481 User policy changes are not reflected in MACP in Skype for Business Q5028481 KB5028481 June 29, 2023
• 5028476 Users tab is not visible in MACP if you log in with CSUserAdministrator permissions Q5028476 KB5028476 June 29, 2023
• 5026138 Users receive reminders although the meeting reminder is set to None Q5026138 KB5026138 May 3, 2023
• 5001874 "500 Unexpected Error" when trying to create a user mailbox in Exchange admin center Q5001874 KB5001874 July 30, 2021
• 5001195 UPN specified when creating mailbox is overwritten automatically causing login failures in Exchange Server 2019 and 2016 Q5001195 KB5001195 March 17, 2021
• 4576652 Updates for Exchange Server 2019 Sizing Calculator version 10.5 Q4576652 KB4576652 January 20, 2021
• 4583537 Update Korean word breaker in Exchange Server 2019 and 2016 Q4583537 KB4583537 January 14, 2021
• 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