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SAML SSO 400 Error 'action' parameter must be specified

Caleb.Ardern
Creator

SAML SSO 400 Error 'action' parameter must be specified

Hello,

I have configured my service provider as per the following config. 
SAML Authentication - 4.4.x Documentation - AppDynamics Documentation

 

Below is the error i get. The weird thing is there is no 'action' parameter meant to exist in the SAML 2.0 protocol

 

HTTP Status 400 - 'action' parameter must be specified

type Status report

message'action' parameter must be specified

descriptionThe request sent by the client was syntactically incorrect.

AppDynamics

 

Tags (2)
SAML SSO 400 Error 'action' parameter must be specified
2 REPLIES 2
Ryan.Paredez
Community Manager

Re: SAML SSO 400 Error 'action' parameter must be specified

Hi @Caleb.Ardern,

 

Thanks for your post on the community. I see you were looking at 4.4x documentation, here is a newer version of that document.  https://docs.appdynamics.com/display/PRO45/Configure+Basic+SAML+Authentication

 

Please follow backup if you experience a different outcome with the latest documentation.


Thanks,
Ryan, AppDynamics Community Manager






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Mario.Morelli
Architect

Re: SAML SSO 400 Error 'action' parameter must be specified

Hi Caleb

 

Could you provide some more info around what you are setting up..

1. What SAML Provider are you using, Azure Ad etc.?

2. Can you document a step by step setup procedure you followed?

3. I am assuming you are getting that error, after authenticating with your SAML IdP, when the IDP provider posts back the response to AppDynamics?

 

TO check this, you can install a SAML tracing extension in your browser, and then you can have a look at what SAML posts are being generated, that will significantly help in understanding where the problem is.



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