The Management Server failed to connect to the remote computer.
Although the Management Server was able to successfully resolve and discover the computer, when attempting to connect and remotely install the agent the Management Server failed to establish any type of network connection to the remote computer.
Connect to the computer using the following tests:
Ping the remote computer.
Connect to the remote computer using the Computer Management MMC snap-in.
Remote Desktop into the remote machine.
Note: Be sure to do this from the Management Server that was attempting to remotely install the computer.