I have configured an Exchange online account that was working flawlessly for the last months. It is a company account for Office 365 and I'm using https://outlook.office365.com/EWS/Exchange.asmx as host URL.
Last week it suddenly stopped working with this error message:
The reported error was "Invalid password with username '[email protected]' (goa-error-quark, 0): Failed to find ASUrl and OABUrl in autodiscover response".
The credentials are not wrong, they are the same I use on outlook.com and they worked till last week.