I have to change ownership of a corporate shared mailbox.

My company has been using a shared mailbox to take reservations and distribute requests to reservation agents.  Recently the ownership group has been spun off and will be removed from the continuing operation.  I need to transfer the ownership of the shared mailbox from the existing group and reassign ownership to a new owner and agent group.

I am not sure how to approach this ownership transfer? Can you suggest a path to make a seamless transfer?
stevenbockerAsked:
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jrhelgesonCommented:
What version of exchange?

Run this powershell command, does it list the shared mailbox owners?

get-MailboxFolderPermission {sharedMailboxName}
Jason CrawfordTransport NinjaCommented:
Two step process:

1. Remove FullAccess permission on the shared mailbox for the former users/groups
Remove-MailboxPermission 'SharedMailbox' -User 'FormerUser' -AccessRights FullAccess -Confirm:$false

Open in new window

2. Add FullAccess to the new user/group
Add-MailboxPermission 'SharedMailbox' -User 'NewUser' -AccessRights FullAccess

Open in new window

Once permissions have been removed and added, the associated Outlook profiles will be removed and added in Outlook automatically.  Note this does not add Send-As permission.  For that I'll need to know what version of Exchange you're working with.

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