Infrastructure
How to configure Windows Time Server to use an external time source on a Windows 2003/2008
duraboys
2010. 2. 10. 09:44
http://www.howtonetworking.com/Windows/timeservice1.htm
How to configure Windows Time Server to use an external time source on a Windows 2003/2008
To Windows Time Server to use an external time source on a Windows 2003/2008, please follow these steps:
1.
| Change the server type to NTP. To do this, follow these steps:
a.
| Click Start, click Run, type regedit, and then click OK.
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b.
| Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters\Type
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c.
| In the right pane, right-click Type, and then click Modify.
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d.
| In Edit Value, type NTP in the Value data box, and then click OK.
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2.
| Set AnnounceFlags to 5. To do this, follow these steps:
a.
| Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\AnnounceFlags
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b.
| In the right pane, right-click AnnounceFlags, and then click Modify.
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c.
| In Edit DWORD Value, type 5 in the Value data box, and then click OK.
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3.
| Enable NTPServer. To do this, follow these steps:
a.
| Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpServer
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b.
| In the right pane, right-click Enabled, and then click Modify.
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c.
| In Edit DWORD Value, type 1 in the Value data box, and then click OK.
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4.
| Specify the time sources. To do this, follow these steps:
a.
| Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters\NtpServer
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b.
| In the right pane, right-click NtpServer, and then click Modify.
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c.
| In Edit Value, type Peers in the Value data box, for example time.windows.com, and then click OK. Note: each DNS must be unique and you must append 0x1 to the end of each DNS name otherwise changes will not take effect
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5.
| Select the poll interval. To do this, follow these steps:
a.
| Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpClient\SpecialPollInterval
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b.
| In the right pane, right-click SpecialPollInterval, and then click Modify.
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c.
| In Edit DWORD Value, type TimeInSeconds in the Value data box, for example 3600 Decimal (60 minutes) and then clickOK.
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6.
| Configure the time correction settings. To do this, follow these steps:
a.
| Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\MaxPosPhaseCorrection
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b.
| In the right pane, right-click MaxPosPhaseCorrection, and then click Modify.
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c.
| In Edit DWORD Value, click to select Decimal in the Base box.
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d.
| In Edit DWORD Value, type TimeInSeconds in the Value data box, for example 3600 (1 hour) and then click OK.
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e.
| Locate and then click the following registry subkey:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\MaxNegPhaseCorrection
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f.
| In the right pane, right-click MaxNegPhaseCorrection, and then click Modify.
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g.
| In Edit DWORD Value, click to select Decimal in the Base box.
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h.
| In Edit DWORD Value, type TimeInSeconds in the Value data box, for example, 3600 (1 hour) and then click OK.
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7.
| Quit Registry Editor.
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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
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Note: to test it, execute this command: net time /querysntp
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