What VPN Clients, Zero Trust Network Clients and Firewall Management tools do you have installed? Those kinds of tools are well known for blocking captive portals if not setup correctly (or setup correctly, as its usually recommended to block them).
we set Zero Trust Network on the company how we make them resolve
we set Zero Trust Network on the company how we make them resolve
Is this application configured to allow Captive Portals? We have used a few different Zero Trust tools over the years, and the vendors love to block the Captive Portals in their default/recommended configuration.