Configure Windows NTP Client: registry value CrossSiteSyncFlags and 4 more (NtpClient)ComputerHKLM\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient

Policy ID: W32TIME_POLICY_CONFIGURE_NTPCLIENT
Scope: Computer Configuration
Supported on: At least Windows Server 2003 operating systems or Windows XP Professional
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System › Windows Time Service › Time Providers

Registry

NtpServer

REG_SZComputer

HKLM\Software\Policies\Microsoft\W32time\Parameters

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

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\W32time\Parameters]

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

CMD

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

reg add "HKLM\Software\Policies\Microsoft\W32time\Parameters" /v "NtpServer" /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\W32time\Parameters' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\Parameters' -Name 'NtpServer' -PropertyType String -Value '<enter value>' -Force | Out-Null

Type

REG_SZComputer

HKLM\Software\Policies\Microsoft\W32time\Parameters

Enabled value: Depends on the option value
Element: Type

Options
Item	Stored value
NoSync	NoSync
NTP	NTP
NT5DS	NT5DS
AllSync	AllSync

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\W32time\Parameters]

; Options (use only one)
; NoSync
"Type"="NoSync"
; NTP
"Type"="NTP"
; NT5DS
"Type"="NT5DS"
; AllSync
"Type"="AllSync"

CMD

:: Options (use only one)

:: NoSync
reg add "HKLM\Software\Policies\Microsoft\W32time\Parameters" /v "Type" /t REG_SZ /d "NoSync" /f
:: NTP
reg add "HKLM\Software\Policies\Microsoft\W32time\Parameters" /v "Type" /t REG_SZ /d "NTP" /f
:: NT5DS
reg add "HKLM\Software\Policies\Microsoft\W32time\Parameters" /v "Type" /t REG_SZ /d "NT5DS" /f
:: AllSync
reg add "HKLM\Software\Policies\Microsoft\W32time\Parameters" /v "Type" /t REG_SZ /d "AllSync" /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\W32time\Parameters' -Force | Out-Null

# Options (use only one)
# NoSync
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\Parameters' -Name 'Type' -PropertyType String -Value 'NoSync' -Force | Out-Null
# NTP
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\Parameters' -Name 'Type' -PropertyType String -Value 'NTP' -Force | Out-Null
# NT5DS
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\Parameters' -Name 'Type' -PropertyType String -Value 'NT5DS' -Force | Out-Null
# AllSync
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\Parameters' -Name 'Type' -PropertyType String -Value 'AllSync' -Force | Out-Null

CrossSiteSyncFlags

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient Current key

Enabled value: Depends on the option value
Element: CrossSiteSyncFlags
Value type: REG_DWORD
Maximum value: 2

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"CrossSiteSyncFlags"=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\W32time\TimeProviders\NtpClient" /v "CrossSiteSyncFlags" /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\W32time\TimeProviders\NtpClient' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient' -Name 'CrossSiteSyncFlags' -PropertyType DWord -Value '<enter value>' -Force | Out-Null

ResolvePeerBackoffMinutes

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient Current key

Enabled value: Depends on the option value
Element: ResolvePeerBackoffMinutes
Value type: REG_DWORD

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"ResolvePeerBackoffMinutes"=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\W32time\TimeProviders\NtpClient" /v "ResolvePeerBackoffMinutes" /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\W32time\TimeProviders\NtpClient' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient' -Name 'ResolvePeerBackoffMinutes' -PropertyType DWord -Value '<enter value>' -Force | Out-Null

ResolvePeerBackoffMaxTimes

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient Current key

Enabled value: Depends on the option value
Element: ResolvePeerBackoffMaxTimes
Value type: REG_DWORD

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"ResolvePeerBackoffMaxTimes"=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\W32time\TimeProviders\NtpClient" /v "ResolvePeerBackoffMaxTimes" /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\W32time\TimeProviders\NtpClient' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient' -Name 'ResolvePeerBackoffMaxTimes' -PropertyType DWord -Value '<enter value>' -Force | Out-Null

SpecialPollInterval

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient Current key

Enabled value: Depends on the option value
Element: SpecialPollInterval
Value type: REG_DWORD
Maximum value: 131072

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"SpecialPollInterval"=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\W32time\TimeProviders\NtpClient" /v "SpecialPollInterval" /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\W32time\TimeProviders\NtpClient' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient' -Name 'SpecialPollInterval' -PropertyType DWord -Value '<enter value>' -Force | Out-Null

EventLogFlags

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient Current key

Enabled value: Depends on the option value
Element: EventLogFlags
Value type: REG_DWORD
Maximum value: 3

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"EventLogFlags"=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\W32time\TimeProviders\NtpClient" /v "EventLogFlags" /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\W32time\TimeProviders\NtpClient' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\W32time\TimeProviders\NtpClient' -Name 'EventLogFlags' -PropertyType DWord -Value '<enter value>' -Force | Out-Null