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PiotrKirklewski-1820 avatar image
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PiotrKirklewski-1820 asked JayaC-MSFT answered

Azure Logic App looses access to Function App after deployment

Hi there.
My Azure Logic App was communicating fine with my Azure Function App until the last deployment.
I don't think I have changed anything that would affect the authentication / authorization.
However - is it possible the ID of the LogicApp has changed after the deployment which affects the SAML message and this creates a confusion within the Identity Provider?
Did anyone experience this kind of issue before?
Any ideas what could have happened?

azure-logic-appsazure-ad-saml-ssoazure-ad-authentication-protocols
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JayaC-MSFT answered

Hello @PiotrKirklewski-1820, I haven't heard from you. I am sharing relevant information for this issue :

The Logic Apps engine gets and caches the trigger's URL, which is used at runtime. However, if any operation invalidates the cached URL, the Function action fails at runtime. To fix this issue, save the logic app again so that the logic app gets and caches the trigger URL again.

Official document link : https://docs.microsoft.com/en-us/azure/logic-apps/logic-apps-workflow-actions-triggers#function-action



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