ORG ID will now issue its own Token to the client

The Client then submits this token to Org ID The Client may receive a Password prompt (or previously saved password from credential manager is passed) and once the correct password is provided, ADFS will issue a Token to the client SFB client will then send a request to ADFS server and request a token Since the tenant is enabled for ADFS the client is redirected to the ON Premise ADFS server Now in order to authenticate the client reaches out to Ord ID and requests a Token The Client then sends a POST request to Webticket Service which requires the client to provide a Token from Org ID ()

Since the SFB user is homed Online, In Response Autodiscover will provide the Online Autodiscover webservices URL's names ( The client then submits this webticket to Autodiscover Webticket service now will grant a Webticket to the Client The Client then submits this token that it received Will issue the modern Auth Token to the client The Client may receive a Password prompt (or previously saved password from credential manager is passed) and once the correct password is provided, Now in order to authenticate the client reaches out toĪnd requests a Token, The intention here is to Get a Token from Webticket Service Redirects the Client to ON PREM Modern Auth Provider ( The Client then sends a POST request to Webticket Service The Client is then challenged and is provided the URL for Webticket service where it can request a Webticket SFB Client then sends a Request to Autodiscover to discover its pool for sign in. The Client is then redirected to Autodiscover SFB Client then sends a unauthenticated GET request to This should point to External web services URL (ON Premise Reverse Proxy) which in this case is SIP URI of the user - client Queries DNS for. My intention here is to explain what happens in the background when a SFB client signs in so that it helps engineers and customers troubleshooting issues related to Sign in and Authentication.īelow is a High level explanation on how the SFB online Client Sign in process works may not be standard terminology, I use them solely to make the understanding simpler. Some of the terms I use to describe things like Modern Auth provider, O365 AD, Org ID etc.

I have tried my best to ensure the information below is accurate. SFB Hybrid environment, SFB user is homed Online, ADFS is Configured, MA (Modern Auth) is enabled ON premise through On premise AD but Disabled in O365 First published on TECHNET on Apr 13, 2018

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