You may experience problems while configuring products for sale, during the purchase process, or when managing individual clients' purchased services.
Product groups organize products and product bundles in the order form. Some templates allow them to display side-by-side for comparison.
The Products/Services tab in the Client Profile lets you view and manage client services.
Upgrades and downgrades allow clients to move between related products. Clients pay or receive a refund for the difference in prices.
If you enable cancellation requests, clients can request cancellation or termination of their services from within the Client Area.
How to troubleshoot and resolve `Call to a member function` errors.
Migrate hosting account services from an old cPanel & WHM server to a new one. You can choose from several methods for migrating accounts.
How to troubleshoot and resolve product configuration and client service issues.
Troubleshoot and resolve Required Product Module Missing errors.
How to troubleshoot and resolve product configuration and client service issues.
The system is unexpectedly suspending services (for example, hosting accounts).
The system is unexpectedly terminating services (for example, hosting accounts).
Cancel a service for a specific client immediately in the Admin Area. After you cancel a service, WHMCS will not generate further invoices.
Delete a service to remove it entirely from your records in WHMCS. This will not remove any associated accounts from your servers.
Move an existing service from one client to another. WHMCS includes an easy option to change a service's owner in the client profile.
Schedule a service to terminate at the end of the current billing period. When you do this, the system will cancel any unpaid invoices.
Recalculate the Recurring Amount value for a service. You must do this after certain actions, like expiring a cPanel Licensing license.
Upgrade or downgrade a service from the Admin Area or Client Area. If you do this in the Admin Area, you will have additional options.