After changing the certificate on the Application server, browsing to the App Server URL works correctly and the correct cert shows as green, but when trying to log in to any front end tool using the Application Server for authentication, an error is thrown.
"The underlying connection was closed: Could not establish trust relationship for the SSL\TLS secure channel.
The remote certificate is invalid according to the validation procedure."
First, delete the old App Server connection:
Then add a new connection using the new certificate:
Following those steps, the correct certificate should be used when logging in through the front end tools using the Application Server for authentication.