Push install fails

Summary

If the FireWall is enabled on the remote machine, push install may fail.

Note
– 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.

Workaround

1) Disable the firewall temporarily

https://windows.microsoft.com/en-us/windows/turn-windows-firewall-on-off#turn-windows-firewall-on-off=windows-7

2) Disable UAC temporarily
If the administrator is disabled in the desktop OS, disable the UAC temporarily.

https://windows.microsoft.com/en-us/windows/turn-user-account-control-on-off#1TC=windows-7