Note Some of the parameters in the registry are measured in clock ticks and some are measured in seconds. Ticks Property. Submit and view feedback for This product This page. View all page feedback. In this article. Registers the Windows Time service to run as a service and adds its default configuration information to the registry.
Unregisters the Windows Time service and removes all of its configuration information from the registry. Monitors the Windows Time service. Converts a Windows NT system time measured in 10 -7 -second intervals starting from 0h 1-Jan into a readable format.
Converts an NTP time measured in 2 -second intervals starting from 0h 1-Jan into a readable format. Tells a computer that it should resynchronize its clock as soon as possible, throwing out all accumulated error statistics.
Displays a strip chart of the offset between this computer and another computer. Displays the values associated with a given registry key. Displays the computer's Windows Time service information. Enables or disables the local computer Windows Time service private log.
Controls whether this computer is marked as a reliable time server. A computer is not marked as reliable unless it is also marked as a time server. Not a time server 0x Always time server 0x Automatic time server 0x Always-reliable time server 0x Automatic reliable time server The default value for domain members is Controls whether or not the chaining mechanism is disabled.
If chaining is disabled set to 0 , a read-only domain controller RODC can synchronize with any domain controller, but hosts that do not have their passwords cached on the RODC will not be able to synchronize with the RODC. Specifies the maximum amount of time that an entry can remain in the chaining table before the entry is considered to be expired.
Expired entries may be removed when the next request or response is processed. The default value is 16 seconds. Controls the frequency at which an event that indicates the number of successful and unsuccessful chaining attempts is logged to the System log in Event Viewer.
The default is 30 minutes. Controls the maximum number of entries that are allowed in the chaining table. If the chaining table is full and no expired entries can be removed, any incoming requests are discarded. The default value is entries. Controls the maximum number of entries that are allowed in the chaining table for a particular host.
The default value is 4 entries. Specifies the smallest local clock adjustments that may be logged to the W32time service event log on the target computer. The default value is parts per million - PPM. Indicates the maximum number of seconds a system clock can nominally hold its accuracy without synchronizing with a time source.
If this period of time passes without W32time obtaining new samples from any of its input providers, W32time initiates a rediscovery of time sources. Default: 7, seconds. Controls which events that the time service logs.
Time jump 0x2. Source change The default value on domain members is 2. The default value on stand-alone clients and servers is 2. Controls the rate at which the clock is corrected. If this value is too small, the clock is unstable and overcorrects.
If the value is too large, the clock takes a long time to synchronize. The default value on domain members is 4. The default value on stand-alone clients and servers is 4. Controls the period of time for which spike detection is disabled in order to bring the local clock into synchronization quickly. Specifies that a time offset greater than or equal to this value in 10 -7 seconds is considered a spike.
Maintained by W32Time. Controls the dispersion in seconds that you must assume when the only time source is the built-in CMOS clock. Specifies the maximum offset in seconds for which W32Time attempts to adjust the computer clock by using the clock rate.
Specifies the largest negative time correction, in seconds, that the service makes. Specifies the largest interval, in log2 seconds, allowed for the system polling interval. Specifies the largest positive time correction in seconds that the service makes. Specifies the smallest interval, in log base 2 seconds, allowed for the system polling interval. Controls the rate at which the phase error is corrected. Controls the decision to increase or decrease the poll interval for the system.
Controls whether or not the DC will respond to time sync requests that use older authentication protocols. Specifies the amount of time that a suspicious offset must persist before it is accepted as correct in seconds.
An unsigned integer that indicates the time jump audit threshold, in seconds. Specifies the number of clock ticks between phase correction adjustments. The events that are listed in the Symptoms section are recorded in the System log because domain controllers have their own time synchronization mechanism.
If domain controllers synchronize time from their own source and synchronize time from the host, the domain controller time can change frequently. Because many domain controller tasks are tied to the system time, a jump in the system time can cause lingering objects to be left in caches, and may cause replication to stop.
To resolve this issue, disable time synchronization on the host by using Integration Services, and then configure the virtualized domain controller to accept the default Windows Time Service W32time domain hierarchy time synchronization. Skip to main content. Important Windows Vista hotfixes and Windows Server hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" on the page.
Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature. Important Windows 7 hotfixes and Windows Server R2 hotfixes are included in the same packages.
However, hotfixes on the Hotfix Request page are listed under both operating systems. Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:. Need more help? Expand your skills.
Stay away from the windows time server ntp. First, locate your PDC Server. Just walked through some of these steps and found that I had to stop the time services on both of our DC's, run the commands and then start ONE of them first and Resync. After that server synched with time. All is now right with the world again. To continue this discussion, please ask a new question. Get answers from your peers along with millions of IT pros who visit Spiceworks.
Thanks in advance, Alex. Best Answer. Mel May 4, at UTC.
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