Just going to list some things here that may help someone with an Office365 Hybrid deployment. Create mailboxes on premise Exchange ECP only and if it’s an existing user then create it on an on premise database instead of choosing Office365 and then migrate it to Office365. Assign licenses only after a mailbox is fully […]
Category Archives: Microsoft Exchange
Exchange 2019 Uninstall on Windows 2019 Core
Found out how to uninstall Exchange Server 2019 on Windows 2019 core. The secret is run setup /mode:uninstall /IAcceptExchangeServerLicenseTerms and it will tell you something that the GUI doesn’t. One of the services is holding a file hostage, it may be different for you so I’m not going to post the specific file/service. I just […]