Configure Group Policy Caching: registry value EnableLogonOptimization and 2 moreComputerHKLM\Software\Policies\Microsoft\Windows\System

Policy ID: EnableLogonOptimization
Scope: Computer Configuration
Supported on: At least Windows Server 2012 R2, Windows 8.1 or Windows RT 8.1
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System › Group Policy

Registry

EnableLogonOptimization

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows\System 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\System]

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

CMD

:: Options (use only one)

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

PowerShell

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

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

SyncModeSlowLinkThreshold

REG_DWORDComputer

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

Enabled value: Depends on the option value
Element: Slow link value:[number field] milliseconds
Value type: REG_DWORD
Maximum value: 300000

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

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

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"SyncModeSlowLinkThreshold"=dword:<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\System" /v "SyncModeSlowLinkThreshold" /t REG_DWORD /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\System' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\System' -Name 'SyncModeSlowLinkThreshold' -PropertyType DWord -Value '<enter value>' -Force | Out-Null

SyncModeNoDCThreshold

REG_DWORDComputer

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

Enabled value: Depends on the option value
Element: Timeout value: [number field] milliseconds
Value type: REG_DWORD
Maximum value: 600000

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

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

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"SyncModeNoDCThreshold"=dword:<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\System" /v "SyncModeNoDCThreshold" /t REG_DWORD /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\System' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\System' -Name 'SyncModeNoDCThreshold' -PropertyType DWord -Value '<enter value>' -Force | Out-Null