1. delete user in ad and sync.
  2. restore the user in O365 from bin, and now the user will be a cloud user.
  3. run the following command for user maikelb@domain.nl :
       Set-MSOLUser -UserPrincipalName maikelb@domain.nl -ImmutableID "$null"

Now the user will stay in O365 after a new sync from Ad to O365

Over de auteur