Title: Error HTTP response 411 Last modified: October 20, 2016 --- # Error HTTP response 411 * [ibox0](https://wordpress.org/support/users/ibox0/) * (@ibox0) * [9 years, 7 months ago](https://wordpress.org/support/topic/error-http-response-411/) * Hi * I’m receiving the following error from Settings->Information window * Not expected HTTP response: Status-Code: 411 Content-type: text/html; charset =us-ascii Server: Microsoft-HTTPAPI/2.0 Date: Thu, 20 Oct 2016 05:56:38 GMT Content- length: 344 Content: Length Required

Length Required

HTTP Error 411. The request must be chunked or have a content length.

* This is present with WP 4.6.1, plugin 3.3.4 , PHP 5.6.3 , MSIIS 8.5 On the same server (different wp site), plugin 3.3.4 is working with WP 4.1.13 Viewing 1 replies (of 1 total) * [andmaurer](https://wordpress.org/support/users/andmaurer/) * (@andmaurer) * [9 years, 7 months ago](https://wordpress.org/support/topic/error-http-response-411/#post-8380379) * Hi, i got the same massage. Then i installed php5-curl for lighttpd and restart the http serer and it works without a error message - This reply was modified 9 years, 7 months ago by [andmaurer](https://wordpress.org/support/users/andmaurer/). Viewing 1 replies (of 1 total) The topic ‘Error HTTP response 411’ is closed to new replies. * ![](https://ps.w.org/backwpup/assets/icon-256x256.png?rev=3236141) * [BackWPup – WordPress Backup & Restore Plugin](https://wordpress.org/plugins/backwpup/) * [Support Threads](https://wordpress.org/support/plugin/backwpup/) * [Active Topics](https://wordpress.org/support/plugin/backwpup/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/backwpup/unresolved/) * [Reviews](https://wordpress.org/support/plugin/backwpup/reviews/) * 1 reply * 2 participants * Last reply from: [andmaurer](https://wordpress.org/support/users/andmaurer/) * Last activity: [9 years, 7 months ago](https://wordpress.org/support/topic/error-http-response-411/#post-8380379) * Status: not resolved