Logic apps standard - Http request failed as there is an error: 'The SSL connection could not be established, see inner exception.'.

Question

Hi,
I am trying to call a Rest api from Logic Apps standard
error :
Http request failed as there is an error: 'The SSL connection could not be established, see inner exception.'.

LA Standard - networking - VNet Integration and ports are open.

I did try and add the root and Intermediate certificates at TLS/SSL settings - Public Key certificate.

This rest service can be consumed from LA Consumption, via OnPrem Data gateway and Logic Apps Custom connector. so, the certificates are ok
what can be the issue when we consume from Logic apps standard.

Regards,
Sharmishtha

Answer 1

In case someone else has the same issue, Logic Apps standard supports calling HTTP endpoints signed with an internal certificate authority, as documented here:

In your logic app resource's app settings, add or update the app setting, WEBSITE_LOAD_ROOT_CERTIFICATES.

For the setting value, provide the thumbprint for your TLS/SSL certificate as the root certificate to be trusted.

"WEBSITE_LOAD_ROOT_CERTIFICATES": "<thumbprint-for-TLS/SSL-certificate>"

The public key of the certificate must have been uploaded to Logic App as well. This is documented in the official documentation

HTH