The Windows Update Agent plug-in could not retrieve update information on cluster node {0}. Check your network and Internet ...

The Windows Update Agent plug-in could not retrieve update information on cluster node {0}. Check your network and Internet connections. If you use a proxy server on your network, check the WinHTTP proxy settings for the Local System account on the node. For troubleshooting information, see http://go.microsoft.com/fwlink/p/?LinkId=237256.