The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel

Symptoms

After upgrading to the latest version, application is unable to connect to server with error :

“The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.”

Cause

It is possible the certificate in IIS has changed or expired.

Resolution

You may check the certificate status by accessing the affected site through a browser and clicking the lock:

The expiration date is here:

 
Please make sure that it is valid.

Have more questions? Submit a request

Comments

0 comments

Please sign in to leave a comment.