Although we’re happy to provide and install WHMCS, because it is considered third-party software and not technically supported by ServInt, we are not familiar with its more advanced features. Please feel free to visit the publisher’s website to learn more about its capabilities and configurability. Add-on software, like WHMCS, is provided by Servint as convenience to our clients. Our ability to purchase volume licensing allows us to pass a savings along to you. As with any third-party software packages, beyond the installation, support will need to be requested directly through the software’s publisher.