Disabling the Windows Server 2012 Lock Screen Timeout

by Scosby Thursday, December 13, 2012

After upgrading to Microsoft Server 2012, I was excited to take advantage of the new Modern apps offered via the Store. One of my favorite features is displaying detailed App information on my lock screen. Usually, I forget to check the outside temperature before I lock my machine to go walk to lunch. I really enjoy being able to simply glance at my lock screen to see the current temperature.

In Server 2012 by default, the lock screen will put the monitors to sleep after 1 minute. I found myself waking the monitors too frequently. An initial web search led me to a MSDN forum post for Windows 8 that unlocked the missing Power Settings feature in Server 2012.

  1.       Open the following registry key
     a.       HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\7516b95f-f776-4464-8c53-06167f40cc99\8EC4B3A5-6868-48c2-BE75-4F3044BE88A7
  2.       Set the following value
     a.       Attributes => 2 

  3.       Now open Control Panel>Power Options>Change Plan Settings>Change Advanced Power Settings
     a.       The new Display section “Console lock display off timeout” is now available.
     b.      Configure your “Plugged in” value accordingly (0 to disable) – I haven’t tested to see if the monitor sleep setting still applies when the screen is locked.

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Technology | IT