AD Authentication Time-out

This issue just started on Sunday, reoccurred just now. Remote VPN login times-out. I've narrowed it down to an issue with the FW connecting to AD. The "Test Connection" failed. A reboot of the FW fixes...
Cannot establish NTLM Authentication channel

Lots of posts about this. Here is an example. AD SSO - Cannot establish NTLM authentication channel with xxx Seems like the recommendation is to disable AD SSO in all zones. But what if we want SSO...
Radius Authentication over SD-WAN

I have radius authentication working locally from the Sophos Firewall to the local radius server for both VPN and for WiFi authentication, however I am unable to get the authentication working from the...
VPN with Authentication Active Directory with enumeration blocked

Hi. Anyone has configured Sophos XGS SSLVPN with Active Directory Authentication on AD with enumeration blocked? After configure Server on XGS I can authenticate and retrieve groups/users without...
how to enable SFOS authentication with different UPN and SamAccountName

I have learned how to support UPN or multi UPN configuration with local Host / DNS registrations on the Firewall directly. I have configured that successfully on the firewall. Sophos Firewall: Authentication...