Specify the types of events Windows Installer records in its transaction log: registry value LoggingComputerHKLM\Software\Policies\Microsoft\Windows\Installer

Policy ID: MSILogging
Scope: Computer Configuration
Supported on: At least Windows 2000
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Windows Installer

Registry

Logging

REG_SZComputer

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

Enabled value: Depends on the option value
Element: Logging
Value type: REG_SZ

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

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

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"Logging"="<enter value>"

CMD

:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKLM\Software\Policies\Microsoft\Windows\Installer" /v "Logging" /t REG_SZ /d "<enter value>" /f

PowerShell

# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\Installer' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\Installer' -Name 'Logging' -PropertyType String -Value '<enter value>' -Force | Out-Null