Windows Server 2022 : NTP Server

by Baris DEMIRTAS
on Ağustos 20, 2022
NTP : Configure NTP Server
Configure NTP Server to provide time synchronization service to Clients.
If the computer that is an Active Directory Domain Controler, NTP Server feature has already been enabled automatically.
So the example follows is for computers to enable NTP Server feature in WorkGroup Environment.
[1] Run PowerShell with Admin Privilege and Configure. 
Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.

# confirm current setting (follows are default settings)
PS C:\Users\Administrator> Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\w32time\TimeProviders\NtpServer" 

AllowNonstandardModeCombinations : 1
ChainDisable                     : 0
ChainEntryTimeout                : 16
ChainLoggingRate                 : 30
ChainMaxEntries                  : 128
ChainMaxHostEntries              : 4
DllName                          : C:\Windows\system32\w32time.dll
Enabled                          : 0
EventLogFlags                    : 0
InputProvider                    : 0
RequireSecureTimeSyncRequests    : 0
PSPath                           : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\w32
                                   time\TimeProviders\NtpServer
PSParentPath                     : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\w32
                                   time\TimeProviders
PSChildName                      : NtpServer
PSDrive                          : HKLM
PSProvider                       : Microsoft.PowerShell.Core\Registry

# enable NTP Server feature
PS C:\Users\Administrator> Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\w32time\TimeProviders\NtpServer" -Name "Enabled" -Value 1 

# set [AnnounceFlags] to 5
# number means
# 0x00 : Not a time server
# 0x01 : Always time server
# 0x02 : Automatic time server
# 0x04 : Always reliable time server
# 0x08 : Automatic reliable time server
PS C:\Users\Administrator> Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\services\W32Time\Config" -Name "AnnounceFlags" -Value 5 

# restart Windows Time service
PS C:\Users\Administrator> Restart-Service w32Time 

# if Windows Firewall is running, allow NTP port
PS C:\Users\Administrator> New-NetFirewallRule `
-Name "NTP Server Port" `
-DisplayName "NTP Server Port" `
-Description 'Allow NTP Server Port' `
-Profile Any `
-Direction Inbound `
-Action Allow `
-Protocol UDP `
-Program Any `
-LocalAddress Any `
-LocalPort 123
[2]
NTP Server Host also needs to synchronize time with other Hosts as an NTP Client.
Refer to here to Configure NTP Client.
 
Barış Demirtaş

Ağustos 2022

Categories:

2022NTPWindows

Tags:

NTP ServerWindows 2022 NTPWindows 2022 NTP Server

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