http://blogs.technet.com/stefan_gossner/archive/2008/10/27/whitepaper-understanding-and-troubleshooting-the-sharepoint-explorer-view.aspxAs we often get support cases on this topic, here is a whitepaper link which gives background info and self guidance for troubleshooting: Brief Description This whitepaper provides general as well as troubleshooting information on using the Explorer Viewen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/stefan_gossner/archive/2008/10/27/whitepaper-understanding-and-troubleshooting-the-sharepoint-explorer-view.aspx#3143169Tue, 28 Oct 2008 16:19:28 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3143169SharePoint Daily<p>Top News Stories Are You Integrating Properly? (Information World Review) I will stop harping on about</p>