DNS IP not getting updated on NetExtender after changing the DNS on the box

DNS server's ip on the netextender is not getting updated after changing the DNS ip on the appliance 

DNS settings on the appliance should be updated and modified at both the levels

1) At Network Level

2)At Users Level

1) Edit the DNS IP at Network Level 

Go to Network >DNS >DNS settings 

Note:- Do not forget to Restart the applaince after applying changes to get updated for NetExtender.