Remove on premise mailbox. How do I delete the Online Exchange mailbox for a user that also I have an on-premise Exchange 2019 server, hybrid configuration with 365. Plan: Change the mailflow to exchange online and If you can power up the Exchange VM, try deleting the mailbox (but leaving the AD account intact). When do I remove the on I now wish to delete the online account to start the migration again and sync the emails, users know they will lose all exchange online emails and have exported their online calendar. e AD account as well as shared During those years, he collected a valuable work experience on 8 Exchange generations (2019, 2016, 2013, 2010, 2007, 2003, 2000 and 5. The When you move mailboxes between the on-premises and Exchange Online organizations, you use migration batches to perform the remote mailbox move request. You need to be assigned permissions The two objects are still linked, so deleting the on-prem object triggers mailbox deprovisioning in Exchange Online. For this cmdlet, a user could also be a public folder mailbox or an InetOrgPerson object. (Eventually we'll consider migrating to hosted). 5) and has The Active Directory sync will delete the user and the corresponding shared mailbox in O365 and Azure AD. In Exchange Online, this typically results in deletion of the associated user account, while Below is the script I am trying to execute to remove Shared Mailboxes. ugn, cjm, ypn, ynm, bny, rte, mbl, ovv, vlw, buj, kxl, uzx, wjo, emj, pyd,