For all searching for this Problem with Teams not showing the calender app using hybrid szenario.
Refering to this basic guide: Sophos UTM: Create WAF to allow traffic through Exchange 2016
using the MS Connection Tool:
https://testconnectivity…
Hey everyone,
we have an SG 105 on the main branch, network is 192.168.42.x and a RED 15 on a subsidiary branch which is 192.168.9.x
The RED serves fine DHCP on 192.168.9.128 until 254.
Being on the remote subsidiary, I am able to for example ping…