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PratikSomaiya asked ·

Azure Logic App Failure

The logic app hosted on our production server is failing with an error A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond <IP address of Key Vault>

The logic app calls Azure App service in behind and we need to fire a request to key vault due to retrieval of secrets from it.

The logic app is working fine on rest of the environments but not on production, though they have the same configurations.

Have someone experienced such an issue earlier and how to resolve it.

Thanks,
Pratik

azure-logic-appsazure-key-vault
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PratikSomaiya answered ·

The issue was resolved by deleting and redeploying the logic app and app service. The code was also tweaked to hit key vault only for a limited amount of time.

Thanks!
Pratik

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UriDimant answered ·
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The IP Address is not one which should not be allowed to connect to Key Vault, it is a legitimate IP address of Key Vault itself hosted in North Europe region of Azure.

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Hello @PratikSomaiya If the same Logic App works in your lower environments, and you're certain that the KV IP addresses used in your production environment are valid, you'd probably want to open a support case and have support engineer to take a look. If your subscription doesn't carry a support plan, let me know and we can grant you a one for free of charge for resolving this issue.

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Hi Mike,

I already raised a ticket with Microsoft, and they checked the traces, I also had remote sessions with them but the root cause was not exactly known.

I deleted and re-deployed the Logic App and App service and also tweaked the code to hit key vault only for a limited amount of time and this helped me to solve the issue.

This was very strange as this didn't appeared on any other environments.

But anyways, thanks for the help :)

Regards,
Pratik

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