Troubleshooting

AD FS: MSIS7042, the same session made too many sign-in requests

A redirect loop between the application and AD FS: the relying party trust is misconfigured (identifier, reply address, certificate or signature algorithm) and the response is rejected over and over.

AD FS: MSIS7042, the same session made too many sign-in requestsAD FS

Cause probable. A redirect loop between the application and AD FS: the relying party trust is misconfigured (identifier, reply address, certificate or signature algorithm) and the response is rejected over and over.

What to do? In Event Viewer, open the AD FS Admin log to read the exact error. Check the relying party identifier, the ACS address, the certificate and the signature algorithm.

To see exactly which check fails, paste the response into theanalyseur, or paste the message into the diagnostic.

Related errors

All SAML and OpenID Connect errors

Want to see it for real? ID-Kit plays the role you are missing and shows you each step.

Open my spaceDecode a SAML response