Add and Remove buttons to create a list of computers, which will function as Update Agents within the group. Figure 55. Creating the list of Update Agents 4. Edit the Update Agent settings. To do this, select the Agent in the list and click the Properties button. In the propertieswindow that opens, on the General tab (seethe figure below specify the port number used by the client to connect to the Update Agent. By default, port 15001 is used if this port is in use, it can be changed specify the port number used by the client to connect securely to the Update Agent using the Secure Sockets Layer (SSL) protocol. By default, port 13001 is used check the Use multicastbox and fill in the Multicast IP and IP multicast port number fields