Article ID: 112457, created on Oct 6, 2011, last review on Aug 12, 2014

  • Applies to:
  • Plesk Sitebuilder 4.5 for Linux/Unix
  • Sitebuilder 4.5 for Windows


Cannot to upload many images into Image Gallery with the "Multiple Image Upload" feature. The uploading process hangs on the first image:

Images uploaded: 0 of NN
Images left:

After clicked Cancelto stop uploading it's shown that only one image was uploaded.

Image is uploaded correctly with button "Image Upload" (single uploading feature).


According to Browser Requirements Parallels Plesk Sitebuilder 4.5 supports the following web browsers:

  • Internet Explorer 5.5/6.x/7.x
  • Mozilla 1.4
  • Firefox 1.0/2.x/3.x
The "Multiple Image Upload" feature does not work in newer web browsers Firefox 4.x, 5.x, Internet Explorer 8, 9, etc.


It's recommended that you hide link "Multiple Image Upload" in Sitebuilder Wizard.

Parallels Plesk Sitebuilder 4.5 for Linux

Open configuration file of Parallels Plesk Sitebuilder 4.5 for Linux and enable 'use_only_simple_upload' there, create the option if it's missing:

use_only_simple_upload = true

This will hide the "Multiple Image Upload" button in Image Gallery. Images will be uploaded only with option "Image Upload".

Parallels Plesk Sitebuilder 4.5 for Windows

The "Multiple Image Upload" button cannot be hidden in Parallels Plesk Sitebuilder 4.5 for Windows. It's possible to configure redirect to working PHP uploading window. To configure this you should login to Parallels Plesk Sitebuilder 4.5 for Windows and open Web configuration file SITEBUILDER DIR\Web\web.config. Where SITEBUILDER DIR is installation directory of Parallels Plesk Sitebuilder 4.5 for Windows, for example "C:\Program Files\Sitebuilder".

Find key "DefaultMIU" and change the value to "HTML” :

<add key="DefaultMIU" value="Auto"/>

replace with:

<add key="DefaultMIU" value="HTML"/>

With such configuration button "Multiple Image Upload" of Image Gallery of will open valid PHP images uploading window.

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