100Chapter 3The Load Balancing service is used for clustering the Accessories servers and is not necessary fora single machine. If you try to start Interviewer Server Administration and your URL changes tohttp://server1/... then you know that the Load Balancing service is running.Improving stability when running IBM SPSS Data Collection Interviewer ServerAdministration off-lineIf you have installed any of the IBM SPSS Data Collection Server applications for off-line useyou may find that installing the Microsoft Loopback Adapter improves stability when runningoff-line. When you install the Loopback Adapter, it becomes the first connection in the bindingorder that determines the order in which connections are accessed by DNS. If you regularlyconnect to a LAN and only occasionally run IBM® SPSS® Data Collection Interviewer ServerAdministration off-line, you may wish to move the Loopback Adapter below your regular LANconnection in the binding order.Installing the Microsoft Loopback Adapter on Windows XP and Windows 2003/2008E From the Control Panel, go to Add Hardware. This starts the Add Hardware wizard.E On the Welcome page, click Next.E On the Is the hardware connected? page, choose Yes, I have already connected the hardware andthen click Next.E On the next page, scroll to the end of the hardware list and select Add a new hardware device.Then click Next.E On the next page, select Install the hardware that I manually select from a list (Advanced) and thenclick Next.E The next page displays a list of common hardware types. Select Network Adapters. Then click Next.E On the Select Network Adapter page, select Microsoft Loopback Adapter. Then click Next.E Click Next to start the installation procedure.Changing the binding order of the network adaptersE From the Control Panel, go to Network Connections (or right-click the Network icon on yourdesktop and choose Properties). This opens the Network Connections window.E Choose:Advanced > Advanced SettingsE This opens the Advanced Settings dialog box. The Loopback Adapter you have just installedshould be highlighted in the Connections frame.E Click the green down-arrow next to this frame to move the adapter at least one place down. Yourdefault Local Area Connection will be at the top of the list again.
