If the FireWall is enabled on the remote machine, push install may fail.
– When Push Install, User Name can use only alphanumeric characters (A-Z, 1-9).
– If upgrading from version 2.7.5, a system reboot is required twice. In this instance, the [Do not restart] option is disabled.
1) Disable the firewall temporarily
2) Disable UAC temporarily
If the administrator is disabled in the desktop OS, disable the UAC temporarily.