1. Stop the McAfee Network Agent (start/run "net stop mcnasvc") on all computers on your network.
2. Remove the file \Documents and Settings\All Users\Application Data\McAfee\MNA\NAData on all computers on your network.
3. Restart the McAfee Network Agent on the machine you want initially to have administrative access (start/run "net start mcnasvc").
4. Restart the McAfee Network Agent on the rest of the machines.
