Set Windows2003 Server to synchronize time with Thailand Royal Navy Time Service (Stratum0)
Steps:1. Change the server type to NTP.
a. Click Start, click Run, type regedit, and then click OK.
b. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time
\Parameters\Type
c. In the right pane, right-click Type, and then click Modify.
d. In Edit Value, type NTP in the Value data box, and then click OK.
2. Set AnnounceFlags to 5.
a. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time
\Config\AnnounceFlags
b. In the right pane, right-click AnnounceFlags, and then click Modify.
c. In Edit DWORD Value, type 5 in the Value data box, and then click OK.
3. Enable NTPServer.
a. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time
\TimeProviders\NtpServer
b. In the right pane, right-click Enabled, and then click Modify.
c. In Edit DWORD Value, type 1 in the Value data box, and then click OK.
4. Specify the time sources.
a. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time
\Parameters
b. In the right pane, right-click NtpServer, and then click Modify.
c. In Edit Value, type time.navy.mi.th,0x1 in the Value data box, and then click OK.
Note You must append ,0x1 to the end of each DNS name. If you do not append ,0x1 to the end of each DNS name, the changes made in step 5 will not take effect.
5. Select the poll interval.
a. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time
\TimeProviders
\NtpClient\SpecialPollInterval
b. In the right pane, right-click SpecialPollInterval,
and then click Modify.
c. In Edit DWORD Value, type 900 in the Value data box, and then click OK.
Note 900 is the number of seconds that you want between each poll. A recommended value is 900 Decimal. This value configures the Time Server to poll every 15 minutes.
6. Configure the time correction settings.
a. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time
\Config\MaxPosPhaseCorrection
b. In the right pane, right-click MaxPosPhaseCorrection, and then click Modify.
c. In Edit DWORD Value, click to select Decimal in the Base box.
d. In Edit DWORD Value, type 3600 in the Value data box, and then click OK.
e. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time \Config\MaxNegPhaseCorrection
f. In the right pane, right-click MaxNegPhaseCorrection, and then click Modify.
g. In Edit DWORD Value, click to select Decimal in the Base box.
h. In Edit DWORD Value, type 1800 in the Value data box, and then click OK.
Note 1800 is 30 minutes. When a computer that is running in a steady state receives a time sample from its time source, the sample is checked against the phase correction boundaries that the MaxPosPhaseCorrection and MaxNegPhaseCorrection registry entries impose. If the time sample falls within the limits that the two registry entries enforce, this sample is accepted for additional processing. If the time sample does not fall within these limits, the time sample is ignored.
7. Quit Registry Editor
8. At the command prompt, type the following command to restart the Windows Time service, and then press ENTER:
net stop w32time && net start w32time
source: http://support.microsoft.com/kb/816042
source: http://www.navy.mi.th
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