WsatConfig Error 18 – Configuration of http.sys failed. Cannot bind the specified certificate to the port because a previous SSL binding already exists.

In this post, you’ll learn more about the Error18 – Configuration of http.sys failed. Cannot bind the specified certificate to the port because a previous SSL binding already exists. generated by the WS-AtomicTransaction Configuration Utility (wsatConfig.exe) and the potential solution that helps to resolve the issue.

wsatConfig Error Description

Configuration of http.sys failed. Cannot bind the specified certificate to the port because a previous SSL binding already exists.

How to fix the Error Configuration of http.sys failed. Cannot bind the specified certificate to the port because a previous SSL binding already exists. ?

You can fix this error in wsatConfig by following the below steps

Another application has already taken ownership of the specific port. Change to a different port or uninstall or reconfigure the current application.