4 thoughts on “Azure AD sign in errors (AADSTS error) troubleshooting

  1. Hi, sorry for this, but could you ellaborate more on:
    AADSTS750054: SAMLRequest or SAMLResponse must be present as query string parameters in HTTP request for SAML Redirect binding – per my experience this error might happen when the application that support IdP initiated sign in flow only is set up for SP initiated sign flow by configuring “Sign on URL” in app settings on Azure AD side. Or the URL configured in the “Sign on URL” is not expecting to get any redirections from IdP and redirecting back to Azure AD with no SAML Request. Also see official document;

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    1. I’m not sure what can be added here to make it more clearer. Make sure you app is configured for proper sign in flow ( SP or IdP initiated) on Azure AD side. As mentioned, if you select the Sign in URL in the app setting on AAD side, it will be treated as SP initiated SSO flow

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