I'm trying to enable OTP on our XG 310 firewall for SSL VPN only. When I set "One-Time Password" to ON and only have SSL VPN Remote Access enabled under "Enable OTP for facilities:" I get there error message "OTP settings were not updated". I can enable this for WebAdmin and User Portal, however not for SSL VPN. I'm using the following guide.
https://community.sophos.com/kb/en-us/125228
Any help would be appreciated.
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