Upon SSO login, error AADSTS75011 is returned by MicrosoftIssue When logging via SSO, you may notice the following error in Microsoft: Sorry, but we’re having trouble signing you in.AADSTS75011: Authentication method 'WindowsIntegrated' by which the user authenticated with the service doesn't match requested authentication method 'Password'. Contact the ServiceNow application owner.Request Id: 83d4d1ae-1152-4316-b682-aa1cffde0f00Correlation Id: 4f0e0dea-4a20-4b46-89c1-d55b5bbbd4a1Timestamp: 2020-01-23T08:45:50ZMessage: AADSTS75011: Authentication method 'WindowsIntegrated' by which the user authenticated with the service doesn't match requested authentication method 'Password'. Contact the ServiceNow application owner.Advanced diagnostics: EnableCauseIn this case, your AuthnContextClassRef Method looks like this: http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/password AuthnContextClassRef is set in order to communicate with the IDP to authenticate the user with a specific authentication mechanism. ResolutionPlease note that the specific configuration is managed at Microsoft level. The setup should be decided at Microsoft level. The below recommendation is based on our observation during troubleshooting session. In my case, unchecking the Create AuthnContextClass box solved the issue. The logic is that by unchecking the Create AuthnContextClass, the IdP will select the most appropriate context class. However, other methods noticed are use: https://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/windows or use http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/unspecified in the AuthnContextClassRef Method Please note that other values my include: http://schemas.microsoft.com/ws/2008/06/identity/authenticationmethod/X509 You would need to check the specific error returned by the IDP.