ThinOS 2208 30 Minute idle Timeout

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  • September 16, 2022 at 3:11 am #107904
    beastofpray
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    • Regular Joe
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    Hi,

    does anybody experience strange behaviors if the client left unattended after updating to 2208?

    We are using the Clients (5070 and 3040) to connect to a Citrix Desktop (VDA2206) and if the users left the Thin Client 30 Minutes unattended, the session gets disconnected.

    So after every break or meeting the user needs to login again. (Or even boot the Client as we normally auto shutdown the client after the session has been closed)

    This issue doesn’t happen if you connect from a Windows Client and it wasn´t there with 9.1 OS. Not sure about 2205 because we skipped this.

    We tried to change all available Timeouts from 0=deactivated to the maximum setting but this didn’t change anything. Normally we just have the setting to disable the Screen after 10 Minutes and the Citrix Session gets locked by a GPO.
    The behavior is the same if the session gets manually locked, it will be shown locked 30 Minutes and then the Session will be disconnected.
    Maybe its a power save feature of the Network card but we cannot find any option about this.

    regards

    September 16, 2022 at 11:32 am #107907
    beastofpray
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    • Regular Joe
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    Tested 2205, same problem.

    September 20, 2022 at 4:37 am #107910
    beastofpray
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    • Regular Joe
    • ★★

    Downgrade to 9.1.5 and Citrix 21.12 and still have this problem.

    Only from the Thin Client, not from a Windows PC or an RDP Session.
    There is no idle timeout enabled. We even enabled idle timeout and set it to an hour, but the thin clients disconnect after exactly 30 Minutes.

    Could the update to Thin OS 2208 change anything in the BIOS we cant see? Like a  network card idle timeout or energy saving feature?

    And just to be clear, this happens on our 3040 and 5070 clients.

    September 20, 2022 at 12:06 pm #107912
    beastofpray
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    • Regular Joe
    • ★★

    After Test multiple Version and told by Dell that we wont get any support for the Software with only Basic Service I found the issue.

    After upgrading WMS to 3.8 there is a new option for a 30 Minute Timeout, which is enabled by default.

    I was not able to see this option before the WMS Update but it seems the client had this turned on somehow.

    However if anybody stumble about this the option is here (our system is German so maybe the translation is not 100% correct):

    Your Settings Group->Edit->ThinOS9->Advanced View->System settings->Settings for Operational and sleep mode->Power connected->Timer when plugged in (default 30 Minutes)

     

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