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Windows 7 Machine Sleeps again a few minutes after Waking up.

I have a specific group of machines that don't seem to stay awake. I send Wake on LAN requests to them, they wake up, and then sleep again after only a few minutes.

I have checked the power settings for the machines, and they are configured to sleep at 60 minutes.

If I RDP to one of the machines, it stays awake.

Does anybody have any idea what could be going on here? 


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Answers (1)

Answer Summary:
reconfigure power settings as directed here http://www.vistax64.com/tutorials/171042-sleep-return-timeout-unattended-wake-up.html reboot of system is required
Posted by: SMal.tmcc 11 years ago
Red Belt
3

since no one is logged in it probably is defaulting to the default power plan of 120 seconds

http://support.microsoft.com/kb/810719/en-us


Comments:
  • look at this link, maybe changing these keys will work for you
    http://www.vistax64.com/tutorials/171042-sleep-return-timeout-unattended-wake-up.html - SMal.tmcc 11 years ago
  • added registry keys as such:

    reg add HKLM\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\238C9FA8-0AAD-41ED-83F4-97BE242C8F20\7bc4a2f9-d8fc-4469-b07b-33eb785aaca0\DefaultPowerSchemeValues\381b4222-f694-41f0-9685-ff5bb260df2e /v AcSettingIndex /t REG_DWORD /d 1800 /f

    reg add HKLM\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\238C9FA8-0AAD-41ED-83F4-97BE242C8F20\7bc4a2f9-d8fc-4469-b07b-33eb785aaca0\DefaultPowerSchemeValues\381b4222-f694-41f0-9685-ff5bb260df2e /v DcSettingIndex /t REG_DWORD /d 1800 /f

    Systems are using the balanced plan.

    Systems still go back to sleep after waking up. very confused, figured this would be a sure thing. - muebel 11 years ago
    • I did to, do you use deepfreeze and have any options set in it. - SMal.tmcc 11 years ago
      • I don't use deepfreeze - muebel 11 years ago
      • The setting seems to require a system reboot. Added registry keys, and only after a reboot did it seem to take effect. - muebel 11 years ago

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