Symptoms
Symptom #1
Create mailbox with E-Mail Address 'e-mail@domain.tld' task fails:
Exception calling "Execute" with "3" argument(s): "There is no such object on the server.
Symptom #2
Changing password in CCPv1 for exchange users is not propagated to Active Directory. User not able to login OWA using updated password.
Cause
Domain controllers are marked as physically destroyed.
Resolution
Contact your Technical Account Manager / PTA team to check the status of AD controllers and fix it.