Knowledgebase

When submitting a support ticket via our website, the following validation errors may be...

Purchasable as an upgrade on a per ticket incident basis, either at the time of opening a ticket,...

All of our licenses include free ticket based support.We also have a range of self-help resources...

Yes, even if the license has been purchased through one of our resellers, you're still eligible...

Before submitting a ticket, please review our common troubleshooting guide as that will help you...

Our Customer Service team is here to answer your Sales, Billing and Licensing questions. They can...

We recognise WHMCS is a business critical piece of software and supporting our customers is very...

Automated bots and the spam that they create are just part of doing business online. In...

WHMCS returns Oops! errors for many reasons. For example, an Oops! error message when you view...

When you set up your WHMCS installation, you must set up the system cron to automate WHMCS’s...

WHMCS can leverage your local email sending capabilities or connect to external providers for...