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V-278080

CAT II (Medium)

Windows Server 2025 must prevent the display of slide shows on the lock screen.

Rule ID

SV-278080r1180946_rule

STIG

Microsoft Windows Server 2025 Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-000381

Discussion

Slide shows displayed on the lock screen could display sensitive information to unauthorized personnel. Turning off this feature will limit access to the information to a logged-on user.

Check Content

Verify the registry value below: 

Registry Hive: HKEY_LOCAL_MACHINE 
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\Personalization\

Value Name: NoLockScreenSlideshow

Value Type: REG_DWORD
Value: 0x00000001 (1)

If the registry value does not exist or is not configured as specified, this is a finding.

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Control Panel >> Personalization >> Prevent enabling lock screen slide show to "Enabled".