Windows xp clock service

Joined Aug 9, Messages Any ideas? Joined Nov 25, Messages 1, It's very common for the clock to either gain time or lose time before it syncs again with a NIST Internet time service. Your XP clock automatically only syncs every seven 7 days, which gives it plenty of time to get off. The easiest method to have a more accurate clock is a little utility that changes the sync update to as often as once an hour.

That's a lot better than once every week! Here: You'll like this Or, if you'd like to have your clock sync even more often than once an hour I can tell you how to modify the registry and have it update every 30 minutes, 15 minutes, etc.

Also, some people add a handful of additional NIST locations to their clock update list via a registry addition. It comes with just three. Thanx, Koot but I don't have Administer level privledges.

You said something about a registry? Doula said:. JohnWill Retired Moderator. Joined Oct 19, Messages , It could be that something on the machine hooks the timer interrupt and is screwing up the timekeeping.

Please upgrade to a newer Excel version. The Microsoft Integration Runtime is a customer managed data integration and scanning infrastructure used by Azure Data Factory, Azure Synapse Analytics and Azure Purview to provide data integration and scanning capabilities across different network environments. Warning: This site requires the use of scripts, which your browser does not currently allow.

See how to enable scripts. If you want your Windows XP to be always genuine and not get into any legal problems with Microsoft, you have to disable Microsoft Windows critical updates. Here's how to do it: Go to Start, then to Control Panel.

Be sure that the Control Panel is in classic view. Go to Automatic Updates and double click on it. You are done! One more thing: It must be annoying to have alerts every 2 minutes that Automatic Updates is turned off. So to remove the annoying alerts, you have to double click the small "red" icon where the clock is situated in the extreme bottom right. The Security Center will appear and in the left there will be some options.

Be sure to select the "Change the way Security Center alerts me" option and uncheck the "Automatic Updates" option. Helpful 0 Not Helpful 0. Submit a Tip All tip submissions are carefully reviewed before being published. You Might Also Like How to. How to. Co-authors: Updated: May 6, Categories: XP Instructions.

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Each query is designed to identify a time source with certain attributes, such as a type of domain controller, a particular location, and whether or not it is a reliable time source.

The time source must also adhere to the following constraints:. A PDC emulator can synchronize with a reliable time source in its own domain or any domain controller in the parent domain. If the domain controller is not able to synchronize with the type of domain controller that it is querying, the query is not made. The domain controller knows which type of computer it can obtain time from before it makes the query. For example, a local PDC emulator does not attempt to query numbers three or six because a domain controller does not attempt to synchronize with itself.

The following table lists the queries that a domain controller makes to find a time source and the order in which the queries are made. A domain controller does not attempt to synchronize with itself. Each query returns a list of domain controllers that can be used as a time source. Windows Time assigns each domain controller that is queried a score based on the reliability and location of the domain controller.

The following table lists the scores assigned by Windows Time to each type of domain controller. When the Windows Time service determines that it has identified the domain controller with the best possible score, no more queries are made. The scores assigned by the time service are cumulative, which means that a PDC emulator located in the same site receives a score of nine. If the root of the time service is not configured to synchronize with an external source, the internal hardware clock of the computer governs the time.

Manually-specified synchronization enables you to designate a single peer or list of peers from which a computer obtains time. If the computer is not a member of a domain, it must be manually configured to synchronize with a specified time source. A computer that is a member of a domain is configured by default to synchronize from the domain hierarchy, manually-specified synchronization is most useful for the forest root of the domain or for computers that are not joined to a domain.

Manually specifying an external NTP server to synchronize with the authoritative computer for your domain provides reliable time. However, configuring the authoritative computer for your domain to synchronize with a hardware clock is actually a better solution for providing the most accurate, secure time to your domain.

Manually-specified time sources are not authenticated unless a specific time provider is written for them, and they are therefore vulnerable to attackers. Also, if a computer synchronizes with a manually-specified source rather than its authenticating domain controller, the two computers might be out of synchronization, causing Kerberos authentication to fail.

This might cause other actions requiring network authentication to fail, such as printing or file sharing. If only the forest root is configured to synchronize with an external source, all other computers within the forest remain synchronized with each other, making replay attacks difficult. The "all available synchronization mechanisms" option is the most valuable synchronization method for users on a network.

This method allows synchronization with the domain hierarchy and may also provide an alternate time source if the domain hierarchy becomes unavailable, depending on the configuration.

If the client is unable to synchronize time with the domain hierarchy, the time source automatically falls back to the time source specified by the NtpServer setting. This method of synchronization is most likely to provide accurate time to clients.

There are certain situations in which you will want to stop a computer from synchronizing its time. For example, if a computer attempts to synchronize from a time source on the Internet or from another site over a WAN by means of a dial-up connection, it can incur costly telephone charges. When you disable synchronization on that computer, you prevent the computer from attempting to access a time source over a dial-up connection.

You can also disable synchronization to prevent the generation of errors in the event log. Each time a computer attempts to synchronize with a time source that is unavailable, it generates an error in the Event Log. If a time source is taken off of the network for scheduled maintenance and you do not intend to reconfigure the client to synchronize from another source, you can disable synchronization on the client to prevent it from attempting synchronization while the time server is unavailable.

It is useful to disable synchronization on the computer that is designated as the root of the synchronization network. This indicates that the root computer trusts its local clock. If the root of the synchronization hierarchy is not set to NoSync and if it is unable to synchronize with another time source, clients do not accept the packet that this computer sends out because its time cannot be trusted.

The only time servers that are trusted by clients even if they have not synchronized with another time source are those that have been identified by the client as reliable time servers. The Windows Time service W32Time can be completely disabled.

If you choose to implement a third-party time synchronization product that uses NTP, you must disable the Windows Time service. The Windows Time service communicates on a network to identify reliable time sources, obtain time information, and provide time information to other computers. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful?