Symptoms
Office 365 autoconf.py script fails:
[DEBUG] call method pem.APS.getApplications({'aps_application_id': 'http://www.parallels.com/Office365'})
Cannot initialize Autoconfigurator
Traceback (most recent call last):
...
xmlrpclib.ProtocolError: <ProtocolError for localhost:8440/RPC2: 401 Unauthorized>
Cause
Public API HTTP Authentication is enabled.
Resolution
Disable the Public API HTTP Authentication as it is not supported by Office 365 application. Please refer to the https://kb.cloudblue.com/en/131037 for more details.