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STAS user disconnect after 2 minutes

I have a Windows AD domain with 1 domain controller.

I have an AD user that logs in, appears in STAS and has WAN access. Within 2 minutes that user is disconnected and drops out of Show Live Users.

The XG230 shows a successful log-out of that user even when they haven't log out.

The user then gets presented with the Captive Portal.

All tests to the client from the STAS are successful, WMI polling, pinging, etc (The firewall is off on the clients).

All tests between the Sophos Agent and Collector are successful (they are on the same domain controller)

All test between the Collector and the XG230 are successful.

Has anyone else experienced this?

 



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  • Very strange!

    Have you rebooted DC?

    Workstation Polling Method is WMI?

    If "Enable Logoff Detection" is checked -> Can you change "default logoff detection interval" in STAS from 600 seconds to 1800 sec; dead entry timeout to 0.

  • I have tried both WMI Polling and  Registry Read method for log off detection.

    Problem persists. I had a user logged in and authenticated with STAS. I left the client pinging an external IP address and within a few minutes the user was logged out.

    The username disappeared from STAS and was listed on the XG as a 'successful log out'.

    I will change log off detection interval and dead entry time out.

  • Open a support ticket.... I finished all my cartridges!

  • hahahahaha... many thanks Gabriele.. you've had great suggestions..

    I opened a ticket weeks ago, had 1 phone call and now nothing... 

    I have found SO many complaints about this on the message boards.

    Some say it is to do with Remote Desktop sessions appearing to the XG as local logon sessions.. some say it is services running with administrator privileges (so that the XG thinks the user has logged off and an administrator has logged on) and some say that WMI Polling doesn't work...

    To my favourite which just says - 'STAS logoff detection simply doesn´t work'

    Many thanks again for all of your help.

  • This issue also affects myself and my customers. Logging this and several other issues and Sophos just say its a configuration issue and we need to pay for their Professional Services

  • Hi Mathew,

    Were you able to resolve this issue? I'm facing the same problem.

    In my case, it happens only with some computers. Some settings:

    Sophos XG 135

    Computer:
    Windows 10 Pro
    Sophos Endpoint Security Advanced + Intercept X

    The other settings, such as STAS, are similar to yours.

    Thanks,

    Translated by Google Translate

    Alvaro

  • Apologies for the late response, Alvaro..

    Sophos support have been unable to solve this issue for weeks. 

    Like you, it happens on some machines here more than on others.

    Basically it looks like STAS  (log-off detection) just doesn't work!!