Thanks PhilipDAth but I have already read this article. In fact, the problem does not come from Trusted Network Detection but from the detection of the captive portal. Behind my MX, Cisco Secure Connect detects a captive portal that does not exist. But, when I disable the detection of the captive portal, the network is trusted. I have the same problem as this person https://community.meraki.com/t5/Security-SD-WAN/AnyConnect-Captive-Portal/m-p/222075#M49822 Except that if I remove the detection of the captive portal, users can no longer connect in hotels or airports. My problem is there....
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