Exchange won't uninstall after the January Security Update (KB5022143) is applied

Symptoms

When you try to uninstall Microsoft Exchange Server after you apply the January 10, 2023, Security Update, the procedure fails and generates an error.

Resolution

To fix this issue, install the following security updates, as appropriate:

• Description of the security update for Microsoft Exchange Server 2019: June 13, 2023 (KB5026261)
• Description of the security update for Microsoft Exchange Server 2016: June 13, 2023 (KB5025903)