The command fails with the error:
The agents <url\> could not be reached.
The hosts in the URL could be unreachable either because the hosts are down, because the communication pathway has not been established, because the port number in the URL is wrong, or because the management agents are down.
Verify that the URL is correct. If the URL is correct, verify that the hosts are up and running and are ready to accept communications; for example:
ping hostname1ping hostname2...