Turn off API Sampling

Removed on: 2026-09-29 · Last confirmed version: 25H2 · Removed policies list

Policy ID: TurnOffAPISamping
Scope: Computer Configuration
Supported on: At least Windows 11 Version 24H2
Source: Administrative Templates (.admx) for Windows 11 2025 Update (25H2) (version 1)
Category: Windows Components › App and Device Inventory

Description

This policy controls the state of API Sampling. API Sampling monitors the sampled collection of application programming interfaces used during system runtime to help diagnose compatibility problems.

If you enable this policy, API Sampling will not be run.

If you disable or do not configure this policy, API Sampling will be turned on.

Registry

DisableAPISamping

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows\AppCompat Current key

Enabled value: 1
Disabled value: 0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\AppCompat]

; Options (use only one)
; Enabled
"DisableAPISamping"=dword:00000001
; Disabled
"DisableAPISamping"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Microsoft\Windows\AppCompat" /v "DisableAPISamping" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Policies\Microsoft\Windows\AppCompat" /v "DisableAPISamping" /t REG_DWORD /d 0 /f

PowerShell

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

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\AppCompat' -Name 'DisableAPISamping' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\AppCompat' -Name 'DisableAPISamping' -PropertyType DWord -Value 0 -Force | Out-Null