Cannot open Whiteboard app on iOS under proxy environment
unable to open Whiteboard app on iOS. Error received: We couldnt reach Microsoft services. Please confirm that youre online, or contact your admin for assistance.
Device is on corporate Wi-Fi and needs to use a proxy to access the internet. A packet capture from the device shows that the application is not using the proxy server configured and is attempting to reach the following IP addresses directly which is not possible on their network. 220.127.116.11 and 18.104.22.168.
Proxy is set via a Wi-Fi policy from MDM and all other web traffic uses this.