@Mark: As noted on the support ticket, MAPI synchronization is properly discovering and provisioning when tested off of this machine and other problematic machines. There is something specific to this client which is causing the client to receive an EAS response. When testing against MAPI accounts on this domain from our test clients here, the account setup completes successfully and without errors. Please see the last follow-up I have from development on this does shed some light on what is happening on this PC:
Per the Fiddler trace; The request has "Authorization: Bearer" in the desktop request, which we can't validate so we fail the response. However, we do tell it what auth methods we support (Negotiate, NTLM, Basic) but it never makes another request with a supported auth.
Kyle Kerst
IT Coordinator
SmarterTools Inc.
www.smartertools.com