

Check this KB for more detailsĮxtended protection enabled on Exchange serverĬhanging the permissions for Public Folders by using an Outlook client will fail with the following error, if Extended Protection is enabled: Install Exchange Security Update June 2023 or higher to resolve the issue. The operation couldn't be performed because object ' ' couldn't be found on ' '. When you try to uninstall Microsoft Exchange Server 2019 or 2016 on servers, that had January 2023 Security Update for Exchange Server installed at any point, the Setup fails with following error message:

January 2023 Security Update for Exchange 2016, Exchange 2019 The page will be consistently updated with new issues found and reflect current status of the issues mentioned. This page lists emerging issues for Exchange On-Premises deployments, possible root cause and solution/workaround to fix the issues.
