NTP Server with SD-WAN Controllers

[Ahmed Sheibani]

Hi Guys

I m using Windows Server 2016 as NTP for my SD-WAN Controllers but getting the below, any help 

• SD-WAN

[Ahmed Sheibani]

Hi Guys

I m using Windows Server 2016 as NTP for my SD-WAN Controllers but getting the below, any help 

[svemulap@cisco.com]

Details please. More information needed to help you.

What is the configuration of NTP ?
and
of Transport Interface ?

Is the NTP Sever reachable ?

Do you have a default-route to Internet ?

Lot of details missing in the original post