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Configuring Windows as a NTP Server Computers Articles | February 7 Cool Base Dustin Pedroia Jersey , 2007
This article describes how to configure the Windows 2000 and Windows 2003 time service as a NTP server. It shows how to manipulate registry entries to configure the Windows Time Service.

The Windows operating systems from Windows 2000 onwards has an in-built time synchronisation service ? ?Windows Time'. The Windows Time service facilitates a Windows network to provide synchronisation of all machines within a domain. This article describes how to configure the Windows 2000 and Windows 2003 time service as a NTP server. It shows how to manipulate registry entries to configure the Windows Time Service.

Before modifying registry entries it is good practice to backup the Windows registry. This allows the registry to be restored in the event of problems.

Windows 2000 ConfigurationWindows 2000 has an integrated time synchronisation service, installed by default, which can synchronise to a NTP Server. Indeed Cool Base David Price Jersey , by manipulating registry settings, the service can act as both an SNTP client and SNTP server to synchronise other network clients.

The 'Windows Time' service should be present in the systems service list. The application executable is 'w32time.exe'. The parameter list for w32time can be found in the registry at:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesW32TimeParametersWindows 2000 can operate as an NTP client and synchronise to an NTP server by setting parameter 'NTP Server' to the IP address of a NTP Server.

By default, the Windows 2000 machine will synchronise to the specified NTP server every 8 hours (or 3 times a day) Cool Base Xander Bogaerts Jersey , which may not be enough to maintain accurate synchronisation. The period can be reduced by setting the 'Period' parameter to how many times a day synchronisation is required. Setting the period to 48 will activate synchronisation with the NTP server once every half hour.

Windows 2000 can also be configured to act as an NTP server by setting the 'Local NTP' parameter to '1'.

After editing any of the registry entries for the windows time service, the service must be restarted for the settings to take effect. The services can be started or stopped from the service control applet in 'administrative tools'. Alternatively the service can be controlled via the DOS net command thus:net start w32timenet stop w32timeWindows 2003 ConfigurationWindows 2003 has expanded on the original Windows 2000 time service by providing a true NTP implementation. The time service, installed by default Authentic Mookie Betts Jersey , can synchronise to a NTP Server. Indeed, by manipulating registry settings for the service it can act as both an NTP server and client to synchronise other network clients in the domain.

The 'Windows Time' service should be present in the systems service list. The application executable is 'w32time.exe'. The parameter list for w32time can be found in the registry at:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesW32TimeTo configure a Windows 2003 machine to synchronise to an external NTP server, edit the following registry entries:

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesW32TimeParametersTypeChange the server type to NTP by specifying ?NTP' in the ?Type' registry entry.

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesW32TimeConfigAnnounceFlagsSet the ?Announce Flags' registry entry to 5 Authentic J. D. Martinez Jersey , to indicate a reliable time source.

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesW32TimeTimeProvidersNTPClientSpecialPollIntervalThe ?Special Poll Interval' registry entry defines the period in seconds that the Windows 2003 machine should poll the NTP server. A recommended value is 900 seconds, which equates to every 15 minutes.

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesW32TimeTimeProvidersNTPServerEnabledChanging the ?Enabled' flag to the value 1 enables the NTP Server.

HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesW32TimeParametersNtpServerThe ?NTP Server' parameter is used to provide a list of IP addresses or DNS names, separated by a space Authentic Blake Swihart Jersey , of NTP servers that the Windows 2003 machine can synchronise to.

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