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ForgeRock Identity Platform
Does not apply to Identity Cloud

SAML authn request verification failed error in AM (All versions) when doing a SP initiated SSO

Last updated Jul 6, 2022

The purpose of this article is to provide assistance if you encounter an "Invalid signature in Request" error when doing a SP initiated Single Sign On (SSO) flow where AM is the identity provider (IdP), and IG is either the service provider (SP) or IG is in front of AM with a third-party SP. You will also see "authn request verification failed" errors in your logs.



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