A number of files got shuffled around in Mountain Lion Server. One is the swupd.plist file used to daisy chain multiple servers so they act as a cascade of software update servers. The new path for the property list is /Library/Server/Software Update/Config/swupd.plist. Here, the metaIndexURL key is sill the location that points to an internal Software Update Server that the server you are editing should look to for updates. To set a server to look at another internal server for software updates, edit the metaIndexURL key in the /Library/Server/Software Update/Config/swupd.plist file to include the path to the new server. The path should always have /content/meta/mirror-config-1.plist after the FQDN of the host…