Possible causes of Authentications failures for federated users in Office 365.

Here I’m assuming that we are using ADFS, for SSO to O365 services: Below I have tried to list, a flow for Troubleshooting, authentication issues for a federated user in Azure AD / O365 1.   Access https://login.microsoftonline.com/ and in the Login Form, enter the federated user’s login name like someone@example.com, once you hit tab to focus…

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