When trying to migrate Notes Mail-In databases as shared mailboxes Notes Migrator creates a user mailbox for each Mail-In database instead of a shared mailbox.
Can Notes Mail-In databases be migrated as shared mailboxes?
Notes Migrator is able to provision user mailboxes and resource/room mailboxes but unfortunately it is not capable of provisioning shared mailboxes at the moment.
Enhancement request TFS215660 has been submitted to Development for consideration in a future release of Notes Migrator for Exchange.
It is possible to use the following PowerShell command to change the mailbox type manually:
set-mailbox mailbox name -type shared
Valid types are: