Configuring the Time Service: NtpServer and SpecialPollInterval

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 you are able to list more than one time source. The…

18

NET TIME and w32time

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 by now, w32time is the Windows Time Service, which is an…

13

What is Windows Time Service?

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 short). If anyone has any requests/suggestions for topics,…

12

Keeping the Domain On Time

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 relate directly to the original RFC for NTP….

9

Configuring the Time Service: Enabling the Debug Log

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 waiting between polls, etc. In Windows…

8

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

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 PDC) making a large jump in time, either forward or backwards….

6

Group Policy Settings Explained

In an effort to alleviate confusion around the Windows Time Service group policy settings, here is a detailed explaination of the various settings, what their respective purposes are, and a small bit about how to configure them. Keep in mind that Windows Time Service is designed to be very robust right out of the box….

6

Configuring a Standalone NtpServer

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 up w32tm to configure the service, we will examine…

4

Demystifying Group Policy Settings

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 of my favorite writers (thanks Kurt!), we have developed a revised text…

3