The Package Server plugin is out of date. I can't find it in the SMP Console under the Agents/Plug ins
ITMS 8.6 RU1
The Windows Package Server Agent Upgrade policy is found in the SMP Console at either of the following locations:
Settings > All Settings > Notification Server > Site Server Settings > Package Service > Advanced > Windows
Settings > Notification Server > Site Server Settings > Package Service > Advanced > Windows