Our system has no internet connectivity. Any updates, be they from Microsoft or other third parties, must be "sneaker-netted" into the system. Again, no route-able connections to any public network system. Will Patch Manager function in such an environment? Does it rely on a services derived from the World Wide Web or any other network for any of its operations?
Patch Manager functions in a disconnected environment very similarly to how WSUS does, except that with Patch Manager you can
For more details, please see this blog article: Using Patch Manager in a Disconnected Network Environment