Azure ATP sensor : Could not create SSL/TLS secure channel

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    aniketvpandey
    Participant
    #651777

    I have multiple DC on which Azure ATP sensor is working fine, however on one of Domain controller 2008 R2 server it is throwing below error

    Error ExceptionHandler Microsoft.Tri.Infrastructure.ExtendedException: RestrictCpuAsync failed, exiting —> System.Net.Http.HttpRequestException: An error occurred while sending the request. —> System.Net.WebException: The request was aborted: Could not create SSL/TLS secure channel.

    Could you please advise, installation is having no issues

    Microsoft.Tri.Sensor-Errors – shows above logs

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    Pistle
    Participant
    #652130

    Hello,

    The TLS communication is on localhost :444, any chance there is a new FW rule that cause issues?

    Some of the cases we know about were resolved by making sure these registry values are set to 0 (1 is not the default)

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL]

    “DisableRenegoOnServer”=dword:00000001

    “DisableRenegoOnClient”=dword:00000001

    Was ADFS installed on this machine by any chance?

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