Troubleshooting

General Troubleshooting

Troubleshoot common general issues on WHMCS installations.

Troubleshoot Addon Modules

Troubleshoot issues with WHMCS's addon modules.

Troubleshoot Authentication

Troubleshoot authentication-related issues for users and admins.

Troubleshoot Cron Issues

Troubleshoot issues with automation and the system cron.

Troubleshoot Customizations

Troubleshoot issues with templates and other customizations.

Troubleshoot Domains

Troubleshoot issues with domain registrations and transfers.

Troubleshoot Email

Troubleshoot issues with email sending and mail providers.

Troubleshoot Installation

Troubleshoot issues that you encounter while installing WHMCS or just after installation.

Troubleshoot Invoices

Troubleshoot issues with invoices and invoice generation.

Troubleshoot Licensing

Troubleshoot issues with your WHMCS license and the licensing servers.

Troubleshoot MarketConnect

Troubleshooting and resolving MarketConnect-related issues.

Troubleshoot Payments

Troubleshoot issues with payments, transaction records, and payment gateways.

Troubleshoot PHP

Troubleshoot issues with PHP on your WHMCS installation.

Troubleshoot Products and Services

Troubleshoot and resolve product and service issues.

Troubleshoot Servers

Troubleshoot and resolve issues with provisioning modules and servers.

Troubleshoot SSL

Troubleshoot SSL-related issues.

Troubleshoot the Client Area

Troubleshoot issues in the Client Area and Shopping Cart.

Troubleshoot the Database

Troubleshoot issues with the WHMCS database.

Troubleshoot the Support System

Troubleshoot issues with support features, including support tickets, emailed replies, and department configuration.

Troubleshoot Updates

Troubleshoot and resolve issues while updating to a new WHMCS version.

Enable Error Reporting

For many types of issue, the first step in troubleshooting is enabling WHMCS's error reporting system.

Errors in WHMCS

WHMCS makes troubleshooting easier with built-in error handling.

Logs in WHMCS

WHMCS includes multiple error logs for various features.

Module Queue

The Module Queue list allows you to quickly find and retry failed automated actions.

Refresh a Directory

Refreshing directories can help to troubleshoot and resolve some errors.

System Health

Use System Health to view your system environment status and quickly find and address issues.

System Logs

WHMCS logs all activity, admin logins, gateway communications, sent and received email communications, and domain lookups.