Hello,
I am using only Security Heartbeat as the client authentication method and at least 10% of my clients doesn't show up in Live Users, I can confirm that the Sophos AV Agent is installed with no errors and is communicating with Sophos Central but if I restart or logoff/login on this computers there is no entry on Log Viewer - Authentication for that IP, I already have reinstalled the Sophos Agent but no success, other computers within the same network and domain works fine.
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