Windows Phone 7 and "Apache 2 Test Page" on Plesk/Centos

[sahinler]

Hi,

When I try to access my web site with Windows Phone 7 mobile version I have not any problem.

But if I try to access with Desktop Version preference from configuration of WP7 this give me a test page.

Apache 2 Test Page
powered by CentOS
....

How I can find a solution for this bug ?
Cordially,
sahinler