NTFS parallel flush threshold: registry value NtfsParallelFlushThresholdComputerHKLM\System\CurrentControlSet\Policies
- Policy ID
- NtfsParallelFlushThreshold
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2016, Windows 10
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- System › Filesystem › NTFS
Registry
NtfsParallelFlushThreshold
REG_DWORDComputerHKLM\System\CurrentControlSet\Policies Current key
- Enabled value
- Depends on the option value
- Element
- Open File Threshold:
- Value type
- REG_DWORD
- Minimum value
- 100
- Maximum value
- 1000000
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Policies] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "NtfsParallelFlushThreshold"=dword:<enter value>
CMD
:: Value names and types follow the ADMX. Replace <enter value> below with your own data reg add "HKLM\System\CurrentControlSet\Policies" /v "NtfsParallelFlushThreshold" /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:\System\CurrentControlSet\Policies' -Force | Out-Null New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Policies' -Name 'NtfsParallelFlushThreshold' -PropertyType DWord -Value '<enter value>' -Force | Out-Null