Disable or enable software Secure Attention Sequence: registry value SoftwareSASGenerationComputerHKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System

Policy ID: SoftwareSASGeneration
Scope: Computer Configuration
Supported on: At least Windows Vista
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Windows Logon Options

Registry

SoftwareSASGeneration

REG_DWORDComputer

HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System Current key

Enabled value: Depends on the option value
Element: Set which software is allowed to generate the Secure Attention Sequence

Options
Item	Stored value
None	0
Services	1
Ease of Access applications	2
Services and Ease of Access applications	3

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System]

; Options (use only one)
; None
"SoftwareSASGeneration"=dword:00000000
; Services
"SoftwareSASGeneration"=dword:00000001
; Ease of Access applications
"SoftwareSASGeneration"=dword:00000002
; Services and Ease of Access applications
"SoftwareSASGeneration"=dword:00000003

CMD

:: Options (use only one)

:: None
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "SoftwareSASGeneration" /t REG_DWORD /d 0 /f
:: Services
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "SoftwareSASGeneration" /t REG_DWORD /d 1 /f
:: Ease of Access applications
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "SoftwareSASGeneration" /t REG_DWORD /d 2 /f
:: Services and Ease of Access applications
reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v "SoftwareSASGeneration" /t REG_DWORD /d 3 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System' -Force | Out-Null

# Options (use only one)
# None
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'SoftwareSASGeneration' -PropertyType DWord -Value 0 -Force | Out-Null
# Services
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'SoftwareSASGeneration' -PropertyType DWord -Value 1 -Force | Out-Null
# Ease of Access applications
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'SoftwareSASGeneration' -PropertyType DWord -Value 2 -Force | Out-Null
# Services and Ease of Access applications
New-ItemProperty -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\System' -Name 'SoftwareSASGeneration' -PropertyType DWord -Value 3 -Force | Out-Null