Microsoft Windows Server 2022
Windows Server 2022 machine inactivity limit must be set to 15 minutes or less, locking the system with the screen saver
Description
Unattended systems are susceptible to unauthorized use and must be locked when unattended. The screen saver must be set at a maximum of 15 minutes and be password protected. This protects critical and sensitive data from exposure to unauthorized personnel with physical access to the computer.Satisfies: SRG-OS-000028-GPOS-00009, SRG-OS-000029-GPOS-00010, SRG-OS-000031-GPOS-00012
Check
If the following registry value does not exist or is not configured as specified, this is a finding:Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\Value Name: InactivityTimeoutSecsValue Type: REG_DWORDValue: 0x00000384 (900) (or less, excluding "0" which is effectively disabled)
Fix
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> Interactive logon: Machine inactivity limit to "900" seconds or less, excluding "0" which is effectively disabled.