System Cleanup

WHMCS allows you to prune logs to reduce the size of the database and reduce disk space.


System Cron

When you set up your WHMCS installation, you must set up the system cron. The system cron controls all of WHMCS's automation.


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.




TCPDF Timeouts

How to troubleshoot TCPDF timeouts during invoice generation.


Themes and Templates

Custom hemes and templates alter the Client Area's appearance to match your branding and tailor your offerings to your business's needs.