Configure Background Sync: registry value BackgroundSyncEnabled and 6 moreComputerHKLM\Software\Policies\Microsoft\Windows\NetCache
- Policy ID
- Pol_BackgroundSyncSettings
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2008 R2 or Windows 7
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Network › Offline Files
Registry
BackgroundSyncEnabled
REG_DWORDComputer- 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\NetCache] ; Options (use only one) ; Enabled "BackgroundSyncEnabled"=dword:00000001 ; Disabled "BackgroundSyncEnabled"=dword:00000000
CMD
:: Options (use only one) :: Enabled reg add "HKLM\Software\Policies\Microsoft\Windows\NetCache" /v "BackgroundSyncEnabled" /t REG_DWORD /d 1 /f :: Disabled reg add "HKLM\Software\Policies\Microsoft\Windows\NetCache" /v "BackgroundSyncEnabled" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Force | Out-Null # Options (use only one) # Enabled New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncEnabled' -PropertyType DWord -Value 1 -Force | Out-Null # Disabled New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncEnabled' -PropertyType DWord -Value 0 -Force | Out-Null
BackgroundSyncPeriodMin
REG_DWORDComputer- Enabled value
- Depends on the option value
- Element
- Sync Interval (minutes)
- Value type
- REG_DWORD
- Minimum value
- 1
- Maximum value
- 1440
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\NetCache] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "BackgroundSyncPeriodMin"=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\NetCache" /v "BackgroundSyncPeriodMin" /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\NetCache' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncPeriodMin' -PropertyType DWord -Value '<enter value>' -Force | Out-Null
BackgroundSyncMaxStartMin
REG_DWORDComputer- Enabled value
- Depends on the option value
- Element
- Sync Variance (minutes)
- Value type
- REG_DWORD
- Minimum value
- 0
- Maximum value
- 3600
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\NetCache] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "BackgroundSyncMaxStartMin"=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\NetCache" /v "BackgroundSyncMaxStartMin" /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\NetCache' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncMaxStartMin' -PropertyType DWord -Value '<enter value>' -Force | Out-Null
BackgroundSyncIgnoreBlockOutAfterMin
REG_DWORDComputer- Enabled value
- Depends on the option value
- Element
- Maximum Allowed Time Without A Sync (minutes)
- Value type
- REG_DWORD
- Minimum value
- 0
- Maximum value
- 4294967295
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\NetCache] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "BackgroundSyncIgnoreBlockOutAfterMin"=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\NetCache" /v "BackgroundSyncIgnoreBlockOutAfterMin" /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\NetCache' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncIgnoreBlockOutAfterMin' -PropertyType DWord -Value '<enter value>' -Force | Out-Null
BackgroundSyncBlockOutStartTime
REG_DWORDComputer- Enabled value
- Depends on the option value
- Element
- Blockout Start Time (HHMM)
- Value type
- REG_DWORD
- Minimum value
- 0
- Maximum value
- 2400
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\NetCache] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "BackgroundSyncBlockOutStartTime"=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\NetCache" /v "BackgroundSyncBlockOutStartTime" /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\NetCache' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncBlockOutStartTime' -PropertyType DWord -Value '<enter value>' -Force | Out-Null
BackgroundSyncBlockOutDurationMin
REG_DWORDComputer- Enabled value
- Depends on the option value
- Element
- Blockout Duration (minutes)
- Value type
- REG_DWORD
- Minimum value
- 0
- Maximum value
- 1440
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\NetCache] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "BackgroundSyncBlockOutDurationMin"=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\NetCache" /v "BackgroundSyncBlockOutDurationMin" /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\NetCache' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncBlockOutDurationMin' -PropertyType DWord -Value '<enter value>' -Force | Out-Null
BackgroundSyncEnabledForForcedOffline
REG_DWORDComputer- Checked
- 1
- Unchecked
- 0
- Element
- Enable Background Sync for shares in user selected "Work Offline" mode
- Value type
- REG_DWORD
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\NetCache] ; Options (use only one) ; Checked "BackgroundSyncEnabledForForcedOffline"=dword:00000001 ; Unchecked "BackgroundSyncEnabledForForcedOffline"=dword:00000000
CMD
:: Options (use only one) :: Checked reg add "HKLM\Software\Policies\Microsoft\Windows\NetCache" /v "BackgroundSyncEnabledForForcedOffline" /t REG_DWORD /d 1 /f :: Unchecked reg add "HKLM\Software\Policies\Microsoft\Windows\NetCache" /v "BackgroundSyncEnabledForForcedOffline" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Force | Out-Null # Options (use only one) # Checked New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncEnabledForForcedOffline' -PropertyType DWord -Value 1 -Force | Out-Null # Unchecked New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\NetCache' -Name 'BackgroundSyncEnabledForForcedOffline' -PropertyType DWord -Value 0 -Force | Out-Null