Title: w3 not finding apache modules
Last modified: August 24, 2016

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# w3 not finding apache modules

 *  [carpconnect](https://wordpress.org/support/users/carpconnect/)
 * (@carpconnect)
 * [11 years ago](https://wordpress.org/support/topic/w3-not-finding-apache-modules/)
 * Hi, when i run compatibilty check it shows
 *     ```
       zlib output compression: Off
       set_time_limit: Available
       mod_deflate: Not detected (required for disk enhanced Page Cache and Browser Cache)
       mod_env: Not detected (required for disk enhanced Page Cache and Browser Cache)
       mod_expires: Not detected (required for disk enhanced Page Cache and Browser Cache)
       mod_headers: Not detected (required for disk enhanced Page Cache and Browser Cache)
       mod_mime: Not detected (required for disk enhanced Page Cache and Browser Cache)
       mod_rewrite: Not detected (required for disk enhanced Page Cache and Browser Cache)
       mod_setenvif: Not detected (required for disk enhanced Page Cache and Browser Cache)
       ```
   
 * but i have checked all these modules are installed and enabled on my VPS running
   ISPconfig control panel?
 * any ideas?
 * thanks
 * [https://wordpress.org/plugins/w3-total-cache/](https://wordpress.org/plugins/w3-total-cache/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [Scott Hartley](https://wordpress.org/support/users/destac/)
 * (@destac)
 * [11 years ago](https://wordpress.org/support/topic/w3-not-finding-apache-modules/#post-6099719)
 * There are some issues that I have seen on these types of VPS servers, contact
   your hosting providers and they will help resolve the problem.
 *  Thread Starter [carpconnect](https://wordpress.org/support/users/carpconnect/)
 * (@carpconnect)
 * [10 years, 12 months ago](https://wordpress.org/support/topic/w3-not-finding-apache-modules/#post-6099785)
 * Hi,
 * not sure how they can help as my VPS is just like running a dedicated server,
   i am the server admin with full root control.
 * I am running debian 6 with ISPconfig and all other scripts find these modules
   ok?
 * thanks

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘w3 not finding apache modules’ is closed to new replies.

 * ![](https://ps.w.org/w3-total-cache/assets/icon-256x256.png?rev=1041806)
 * [W3 Total Cache](https://wordpress.org/plugins/w3-total-cache/)
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 * 2 replies
 * 2 participants
 * Last reply from: [carpconnect](https://wordpress.org/support/users/carpconnect/)
 * Last activity: [10 years, 12 months ago](https://wordpress.org/support/topic/w3-not-finding-apache-modules/#post-6099785)
 * Status: not resolved