The SAML authentication is failing with the following error message in the JWP log:
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U00045271 Checking SAML token for Single sign-on.
U00045325 Received SAML token as '<samlp:Response>'
U00045322 Assertion validation was successful. Starting with signature validation now.
U00045318 No signature in SAML response found for destination 'https://xxxxxx:8443/yyy/'.
U00000009 '&01': Access denied
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Release : 12.3, 21.x
Component : AUTOMATION ENGINE
Please ask the System Administrator to turn on the identity provide(IdP) to make sure the SAMLP response is also signed. An IdP is a service that stores and verifies user identity.
If using Azure, make sure the signing option is set to sign both assertion and response.