How to disable the display timeout and "return to log in" setting

In brief

1. Unlock/turn on console log display off timeout feature in Power Option

2. Set timeout to 0 to turn it off.

Detail Steps

Unlocked the missing Power Settings feature in Server 2012.

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

2. Set the following value - 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)

Done.