(407) Proxy Authentication Required.

This article describes an error that can show up in an Ektron site but is not limited to Ektron site. The error message would appear in the application event viewer.

Message: EkContent.MakePageBuilderRequest Exception : The remote server returned an error: (407) Proxy Authentication Required.

This issue can be resolved by adding useDefaultCredentials=”true” to the <defaultProxy> tag. For example:

     <defaultProxy enabled="true" useDefaultCredentials="true">
               <clear />
          <proxy proxyaddress="myproxy:9000"
               autoDetect="False" />