this has solved many of my backup problems must be run as admin in cmd
echo add firewall rule to let in through urbackup, exit if you do not want the rules.
pause
netsh advfirewall firewall add rule name=“Allow Urbackup Port 35621” dir=in action=allow protocol=TCP localport=35621 enable=yes
netsh advfirewall firewall add rule name=“Allow Urbackup Port 35623” dir=in action=allow protocol=TCP localport=35623 enable=yes
netsh advfirewall firewall add rule name=“Allow Urbackup Port 35622” dir=in action=allow protocol=UDP localport=35622 enable=yes