I was running sharepoint 2007 using Vontu DLP network discover, i installed WSP on sharepoint server and created two scan targets, each scan target has around list of 1500 site collection, when scan was trigerred scan progressed well after completing one day First scan target is completed, when i saw scan progess report, most of the site collections are failed to scan, these error message is getting displayed "Recieved invalid message from server" , but the second scan target is progressed well with out issues, when i contacted sharepoint team they are telling all site collections are valid and WSP is deployed globally, please help me on this issue