Symptoms

Task Upgrading resources of application 'Office 365' fails:

    Internal error: APSC: Upgrade to ver. 17.2.1-4 : resource 9dd1d9bc-...-069070fbf049 of type 'office365app' (http://www.parallels.com/Office365/Office365app/1.22) for APS application 'Office 365-17.2.1-4' : 
    API for service with base domain 'example.com' is not supported..

Cause

Application instance misconfiguration. User specified as Administrator's login for connecting to Microsoft Online should have UPN based on *.onmicrosoft.com domain.

Resolution

  1. Create proper administrator according to the Creating Administrative User documentation article;
  2. Specify its credential info in the Office 365 application instance settings (Administrator's login for connecting to Microsoft Online and Administrator's password for connecting to Microsoft Online fields);
  3. Restart the IIS service on the Office 365 Endpoint host;
  4. Restart failed upgrade task.

Internal content