Tag Archives: Secondary Authentication

ExternalAuthenticationHandler.Process() exception: System.Net.WebException: The request failed with HTTP status 405: Method Not Allowed

It’s turning into a month of school-boy/layer-8 issues.  Evidently I need to slow down!  Scenario You are integrating Windows Server 2012 R2 Active Directory Federation Services (AD FS), a.k.a. AD FS 3.0, with an on-premises Azure Multi-Factor Authentication (MFA) Server.  … Continue reading

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