Some provisioning and server-related issues are due to misconfiguration in your WHMCS installation, while others may be due to networking issues or other server-side problems. Overage billing allows you to bill clients on cPanel, Plesk, or DirectAdmin hosting servers for their monthly disk or bandwidth use. If you use a cPanel & WHM version that supports it, you can install WHMCS easily using deprecated cPanel's Site Software feature. Sitejet Builder includes everything that your customers need to create professional websites without needing to learn to code. You can use automated options like Sync Accounts or Importassist to migrate your data, or you can add data using manual entry. Single Sign-On allows users to log in to a cPanel & WHM or Plesk hosting account directly from a link in WHMCS without reauthenticating. Application Links use WHMCS Single Sign-On to allow users to seamlessly access WHMCS from the cPanel or WP Squared control panels. Usage billing allows you to set up variable-priced items for products. The system then determines pricing based on actual usage data. Troubleshoot and resolve Access Denied/Permission Denied errors. Troubleshoot and resolve Action Failed Unable to auto-login errors. The Configurable Package Addon lets you to offer customizable hosting packages on cPanel & WHM, WP Squared, and DirectAdmin servers. The cPanel module allows you to add and manage cPanel & WHM servers in WHMCS. The cPanel Licensing addon module helps cPanel Partners automate provisioning, management, and billing for cPanel & WHM licenses. Add a cPanel & WHM server to WHMCS. Before you can sell and provision cPanel accounts, you must add at least one cPanel & WHM server. Custom templates can alter the icons for the Client Area's Quick Shortcuts section. This section displays for Plesk and cPanel services. Troubleshoot and resolve Sorry, a group for that username already exists errors. Troubleshoot and resolve Invalid value paper_lantern for the cpmod setting errors. Troubleshooting and resolving Key Generation Failed: (XID xxxxxx) You do not have the feature “sslmanager” errors while selling SSL certificates through WHMCS MarketConnect. Troubleshoot and resolve cPanel & WHM or WP Squared server profile errors. Troubleshoot and resolve Login Failed errors.