public bool Connect(string progID, string serverName)
        {
            try
            {
                Type typeofOPCserver = Type.GetTypeFromProgID(progID, serverName);

                OPCserverObj = Activator.CreateInstance(typeofOPCserver);
                ifServer = (IOPCServer)OPCserverObj;
                // connect all interfaces
                ifCommon = (IOPCCommon)OPCserverObj;
                ifBrowse = (IOPCBrowseServerAddressSpace)ifServer;
                ifItmProps = (IOPCItemProperties)ifServer;
                cpointcontainer = (IConnectionPointContainer)OPCserverObj;
         
                isConnect = true;
                return true;
            }
            catch(Exception ex)
            {
                isConnect = false
            }
        }

Type typeofOPCserver = Type.GetTypeFromProgID(progID, serverName);这行代码无法获取远程OPC服务器类型，神马原因啊，如何处理啊啊，谢谢各位大侠了！！！（客户端OPC环境配置没有问题）