SOAP Adapter – Confusing error with an untrusted Root Certificate Authority

I recently wrote about problems with two-factor authentication and installing a certificate in the correct certificate store. Well, we’ve had similar problems, this time securing the transport link on a SOAP adapter, which resulted in the following error:

Could not establish trust relationship for the SSL/TLS secure channel with authority ‘your machine name’. The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

After some digging, it turns out that the problem is due to an untrusted certificate issuer (Certificate Authority) for the cert we were trying to use. Adding the root certificate to the list of Trusted Root Certification Authorities resolved the issue.

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2 thoughts on “SOAP Adapter – Confusing error with an untrusted Root Certificate Authority

  1. Hello, I was looking around for a while searching for certification certificate and I happened upon this site and your post regarding apter – Confusing error with an untrusted Root Certificate Authority at At the Coalface: A BizTalk Blog, I will definitely this to my certification certificate bookmarks!

  2. Hi, I am facing the same problem when trying to achieve the mutual authentication with the Web Services hosted in IBM Websphere Server. Any clues as to this can be achieved using the SOAP Adapter. However, I am able to achieve the simple authentication where I stored the client certificate thumbprint in the SOAP adapter and the web service call was successful.
    But if the IBM server is configured for the mutual authentication then the I am getting the following exception:
    Details:”WebException: The request was aborted: Could not create SSL/TLS secure channel.

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