Adjust frequency of Windows Time syncWindows Server unable to synchronize NTP time reliablyIMAP over SSL - Exchange 2003 Configurationwindows update fails with error code 0x8024200E on Windows 2003 serverWhy does a windows XP domain client default to having NTP server enabled?With windows 2003 time service using NT5DS (domain hierarchy), how do you configure the polling interval?Windows Server Cluster & Strange Day Light Savings Time BehaviourHow do I fix a custom Event Viewer Log that merges automatically with the Application log?How to change Windows DFS replication log file path?replica between dc failedTime sync on non-domain joined servers
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Adjust frequency of Windows Time sync
Windows Server unable to synchronize NTP time reliablyIMAP over SSL - Exchange 2003 Configurationwindows update fails with error code 0x8024200E on Windows 2003 serverWhy does a windows XP domain client default to having NTP server enabled?With windows 2003 time service using NT5DS (domain hierarchy), how do you configure the polling interval?Windows Server Cluster & Strange Day Light Savings Time BehaviourHow do I fix a custom Event Viewer Log that merges automatically with the Application log?How to change Windows DFS replication log file path?replica between dc failedTime sync on non-domain joined servers
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On Windows 2003 it is possible via the registry to set a custom interval for updates.
This is done via the following registry key:
HKLMSYSTEMCurrentControlSetServicesW32TimeTimeProvidersNtpClientSpecialPollInterval
After adjusting this key and then restarting the Windows Time service, when I update the time changes to (for my setting) one day from the time I clicked the update button.
What I don't know how to do is set the exact time at which the update occurs?
windows-server-2003 ntp
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
add a comment |
On Windows 2003 it is possible via the registry to set a custom interval for updates.
This is done via the following registry key:
HKLMSYSTEMCurrentControlSetServicesW32TimeTimeProvidersNtpClientSpecialPollInterval
After adjusting this key and then restarting the Windows Time service, when I update the time changes to (for my setting) one day from the time I clicked the update button.
What I don't know how to do is set the exact time at which the update occurs?
windows-server-2003 ntp
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
1
This is a really bad idea... NTPd and the Windows Time Service intentionally add random amounts of "fuzz" to the polling interval to prevent servers from getting overloaded. This prevents bad time. Consider 1000 machines all set to poll the same server at the top of every hour: that's 1000 packets that need to be processed at basically the same instant. This results in a network spike, a CPU spike on the server, dropped packets, and poor timestamps.
– rmalayter
Nov 26 '12 at 17:05
add a comment |
On Windows 2003 it is possible via the registry to set a custom interval for updates.
This is done via the following registry key:
HKLMSYSTEMCurrentControlSetServicesW32TimeTimeProvidersNtpClientSpecialPollInterval
After adjusting this key and then restarting the Windows Time service, when I update the time changes to (for my setting) one day from the time I clicked the update button.
What I don't know how to do is set the exact time at which the update occurs?
windows-server-2003 ntp
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
On Windows 2003 it is possible via the registry to set a custom interval for updates.
This is done via the following registry key:
HKLMSYSTEMCurrentControlSetServicesW32TimeTimeProvidersNtpClientSpecialPollInterval
After adjusting this key and then restarting the Windows Time service, when I update the time changes to (for my setting) one day from the time I clicked the update button.
What I don't know how to do is set the exact time at which the update occurs?
windows-server-2003 ntp
windows-server-2003 ntp
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
asked Oct 25 '12 at 14:51
neildeadmanneildeadman
3921123
3921123
1
This is a really bad idea... NTPd and the Windows Time Service intentionally add random amounts of "fuzz" to the polling interval to prevent servers from getting overloaded. This prevents bad time. Consider 1000 machines all set to poll the same server at the top of every hour: that's 1000 packets that need to be processed at basically the same instant. This results in a network spike, a CPU spike on the server, dropped packets, and poor timestamps.
– rmalayter
Nov 26 '12 at 17:05
add a comment |
1
This is a really bad idea... NTPd and the Windows Time Service intentionally add random amounts of "fuzz" to the polling interval to prevent servers from getting overloaded. This prevents bad time. Consider 1000 machines all set to poll the same server at the top of every hour: that's 1000 packets that need to be processed at basically the same instant. This results in a network spike, a CPU spike on the server, dropped packets, and poor timestamps.
– rmalayter
Nov 26 '12 at 17:05
1
1
This is a really bad idea... NTPd and the Windows Time Service intentionally add random amounts of "fuzz" to the polling interval to prevent servers from getting overloaded. This prevents bad time. Consider 1000 machines all set to poll the same server at the top of every hour: that's 1000 packets that need to be processed at basically the same instant. This results in a network spike, a CPU spike on the server, dropped packets, and poor timestamps.
– rmalayter
Nov 26 '12 at 17:05
This is a really bad idea... NTPd and the Windows Time Service intentionally add random amounts of "fuzz" to the polling interval to prevent servers from getting overloaded. This prevents bad time. Consider 1000 machines all set to poll the same server at the top of every hour: that's 1000 packets that need to be processed at basically the same instant. This results in a network spike, a CPU spike on the server, dropped packets, and poor timestamps.
– rmalayter
Nov 26 '12 at 17:05
add a comment |
2 Answers
2
active
oldest
votes
If you really want to synchronize at a specific time, your best bet would be to set the automated interval to a very, very large number, and then use the windows scheduler to run w32tm /config /update. If I got this wrong, you can consult the official documentation.
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
add a comment |
You can specify the refresh interval only. It will refresh on that interval when the server is restarted, or the time service is restarted. You could make a scheduled task to invoke "w32tm /resync /nowait" to schedule the sync's to happen a predetermined times.
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
If you really want to synchronize at a specific time, your best bet would be to set the automated interval to a very, very large number, and then use the windows scheduler to run w32tm /config /update. If I got this wrong, you can consult the official documentation.
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
add a comment |
If you really want to synchronize at a specific time, your best bet would be to set the automated interval to a very, very large number, and then use the windows scheduler to run w32tm /config /update. If I got this wrong, you can consult the official documentation.
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
add a comment |
If you really want to synchronize at a specific time, your best bet would be to set the automated interval to a very, very large number, and then use the windows scheduler to run w32tm /config /update. If I got this wrong, you can consult the official documentation.
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
If you really want to synchronize at a specific time, your best bet would be to set the automated interval to a very, very large number, and then use the windows scheduler to run w32tm /config /update. If I got this wrong, you can consult the official documentation.
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
answered Oct 25 '12 at 14:59
chutzchutz
6,1591947
6,1591947
add a comment |
add a comment |
You can specify the refresh interval only. It will refresh on that interval when the server is restarted, or the time service is restarted. You could make a scheduled task to invoke "w32tm /resync /nowait" to schedule the sync's to happen a predetermined times.
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
add a comment |
You can specify the refresh interval only. It will refresh on that interval when the server is restarted, or the time service is restarted. You could make a scheduled task to invoke "w32tm /resync /nowait" to schedule the sync's to happen a predetermined times.
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
add a comment |
You can specify the refresh interval only. It will refresh on that interval when the server is restarted, or the time service is restarted. You could make a scheduled task to invoke "w32tm /resync /nowait" to schedule the sync's to happen a predetermined times.
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
You can specify the refresh interval only. It will refresh on that interval when the server is restarted, or the time service is restarted. You could make a scheduled task to invoke "w32tm /resync /nowait" to schedule the sync's to happen a predetermined times.
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
answered Oct 25 '12 at 15:02
ClaytonClayton
4,1781120
4,1781120
add a comment |
add a comment |
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1
This is a really bad idea... NTPd and the Windows Time Service intentionally add random amounts of "fuzz" to the polling interval to prevent servers from getting overloaded. This prevents bad time. Consider 1000 machines all set to poll the same server at the top of every hour: that's 1000 packets that need to be processed at basically the same instant. This results in a network spike, a CPU spike on the server, dropped packets, and poor timestamps.
– rmalayter
Nov 26 '12 at 17:05