OSX Server: failed to connect to the IGD
sudo /usr/libexec/PlistBuddy -c "delete :managedIGD" /Library/Server/Network/Config/autoportmap.plist
sudo /usr/libexec/PlistBuddy -c "delete :lastIGD" /Library/Server/Network/Config/autoportmap.plist


These commands are from 
http://support.apple.com/kb/HT200038?viewlocale=en_US&amp;locale=en_US which explains how to remove an Airport Base Station from Server in Mountain Lion. They also apply to Mavericks.