Some users are reporting incomplete migration of generic mailboxes. We have identified what has caused this issue and are currently running another migration for generic mailboxes to resolve this which should be fully complete by tomorrow morning (Wednesday 18 January).
Users requiring assistance in setting up access for their colleagues to access these resources should follow the Share or Delegate Account Access instructions.
If you are experiencing any other issues with Office 365 then please continue to contact the ICS Service Desk.
Thank you for your patience.