Troubleshooting

Browser Cache

Many issues are resolved simply by clearing your browser cache.

osTicket Requirements

You should also review osTicket's requirements. As of January 2026 they are:

  • HTTP server running Microsoft® IIS or Apache
  • PHP version 8.2 - 8.4  (also PHP 8.2 - 8.4 for osTicket 1.17.x)
  • mysqli extension for PHP
  • MySQL database version 5.0 or greater
Note: osTicket does not support nginx or LiteSpeed web servers. Using anything other than Apache or IIS can lead to unexpected results.

Other Tips