Windows Time Service

The official blog site for the Windows Time Service

  • Windows Time Service

    Moving Day

    • 0 Comments
    How the time flies. With over 2 years since the last post, it is high time we get this blog moving again. Looking at the traffic statistics, there were nearly 50k views of the NET TIME and w32time post , so it is evident that folks are still interested...
  • Windows Time Service

    NET TIME and w32time

    • 11 Comments
    It seems there is a bit of ambiguity out there regarding the relationship between w32time and the NET TIME command. Well, here are the answers, straight from the horse's mouth. Taking it from the top As all of you know (or at least should ) know...
  • Windows Time Service

    Demystifying Group Policy Settings

    • 3 Comments
    The settings for the Windows Time Service exposed through group policy have long been seen as a bit mysterious, and for good reason. Well, today we will take the first steps towards remedying that problem. After spending a good amount of time with one...
  • Windows Time Service

    Configuring an Authoritative Time Server with Group Policy Using WMI Filtering

    • 3 Comments
    Brian Singleton has posted on article on configuring w32time via Group Policy using WMI on the AskDS Blog. You can check it out here: http://blogs.technet.com/askds/archive/2008/11/13/configuring-an-authoritative-time-server-with-group-policy-using-wmi...
  • Windows Time Service

    Getting ahead of the storm

    • 1 Comments
    For those out there who haven't yet heard, VMWare is experiencing a problem (as of Aug 12) with licensing for ESX and ESXi. You can find out more here: http://kb2.vmware.com/kb/1006716.html The crux of the issue seems to be that a recent update caused...
  • Windows Time Service

    High accuracy time, and why we don't support it

    • 0 Comments
    More than any other, the most often asked question of the Windows Time Service is "How do I configure w32time for high accuracy?" Bob Drake has taken the time to answer this question over at the Ask the Directory Services Team blog. You can read his post...
  • Windows Time Service

    To be (reliable) or not to be (reliable)

    • 1 Comments
    Of the many things that w32time does, figuring out which host to sync from is one of the most important, and thus, one of the most talked about. In the stand-alone scenario, peer discovery (aka figuring out which host to sync with) is an entirely manual...
  • Windows Time Service

    Configuring a Standalone NtpServer

    • 4 Comments
    Recently, I had a customer ask if they can use w32time as a time source for other computer & devices on their network. The Windows Time Service is fully capable of acting as a time source for anything that is NTPv3 compliant. Before we start firing...
  • Windows Time Service

    Configuring the Time Service: Max[Pos/Neg]PhaseCorrection

    • 6 Comments
    In the last few months of the Windows Server 2008 development, a good friend of mine was discussing a problem they have been seeing with customers. The problem, lovingly titled as the "Large Time Jump" issue involves a machine in the domain (usually the...
  • Windows Time Service

    Configuring the Time Service: Enabling the Debug Log

    • 6 Comments
    The debug log is a powerful tool in the W32Time bag of tricks when you need to figure out why something isn't working. The debug log tell you (for better or worse) what the Time Service is doing under the hood. Where it is connecting to, how long it is...
  • Windows Time Service

    Configuring the Time Service: NtpServer and SpecialPollInterval

    • 16 Comments
    One of the most talked about configuration options for W32Time has to be the list of time sources that W32Time connects to for synchronization. It is important to note that W32Time will only actively synchronize with one time source at a time, even though...
  • Windows Time Service

    A Tale of Two Clocks

    • 1 Comments
    In the very first post, I tried (for better or worse) to summarize the purpose of the Windows Time Service. The goal for this service is to keep the clock in sync with whatever time source the user prescribes. In this post, I will take a more abstract...
  • Windows Time Service

    Keeping the Domain On Time

    • 9 Comments
    Windows Time Service on a domain (referred to as 'Domain Synchronization' or 'Domain Sync' for short) is a huge topic. I will do my best to cover all of its aspects in this article, but some concepts won't be covered until a later date, and others still...
  • Windows Time Service

    We don't measure time. We define it.

    • 1 Comments
    It sounds a bit egotistical, but in fact, it is quite correct. I was recently reading an interesting article on the Discover Magazine website. If you have the time on your hands, I would recommend reading the original article (linked at the bottom). Here...
  • Windows Time Service

    What is Windows Time Service?

    • 11 Comments
    Welcome to the Windows Time Service blog. This blog is here to answer some of the questions about the service and show off some of the useful features that it has. Every week, I will try to cover a new topic surrounding Windows Time Service (w32time for...
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