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 .
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. To do this, follow these steps:
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. To
do this, follow these steps:
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. To do this, follow these steps:
a.
Locate and then
click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters\NtpServer
b.
In the right
pane, right-click NtpServer , and then click Modify .
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
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
b.
In the right
pane, right-click SpecialPollInterval , and then click
Modify .
c.
In Edit DWORD
Value , type TimeInSeconds in the Value data box,
for example 3600 Decimal (60 minutes) and then click OK .
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
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 TimeInSeconds in the Value data box,
for example 3600 (1 hour) 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 TimeInSeconds in the Value data box,
for example, 3600 (1 hour) and then click OK .
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
Note: to test it, execute this
command: net time /querysntp
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