Office365 ECP broken after shib3 upgrade

[Cantor, Scott]

> I appreciate the quick response.  It was a production change and I had to roll
> back to shib2.  The problem was that it worked during my dev/qa testing.  I’d
> confirm the client works in shib2 and switch to shib3 and see that it still
> worked.  Is the Microsoft proxy caching credentials?

Has nothing to do with credentials, and there's no way you could have tested this without actually deploying V3. MS' proxy is going to contact whatever IdP it's told to contact, there's no way to control that locally in a controlled way.

-- Scott