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#Set pdc to use external time source how to#
#Set pdc to use external time source install#
#Set pdc to use external time source professional#

/RTSDOMAIN: You’ll use this switch if you want to set time on your server to match that of a Reliable Time Server on a domain.

To use the PDC emulator on another domain as a time source, use the /DOMAIN: domainname switch.

/DOMAIN: You’ll use this switch to set the time on the server to match that of the PDC emulator of your domain.

Just replace computer with the name of the computer you want to use as a source.

\\computer: You’ll use this switch to force the time on your server to match that of a specific computer on your network.

Switches you can use with Net Time include: To view options for the Net Time command, open a command prompt, type net time /?, and press.

#Set pdc to use external time source professional#

You can use the Net Time command to set clocks on your Windows 2000 servers and Windows 2000 Professional workstations. Fortunately, you can use the Net Time command to synchronize time with external NTP time servers. For example, if you have a multiple domain forest, you’d use the PDC emulator at the root of the forest because everything else in the forest will ultimately key off this server. Keeping in mind how Windows 2000 computers find time sources, you can decide which computer to connect to an external source. To find out more about Active Directory operations masters, check the Daily Drill Down "Understanding Windows 2000 domain controller operations master roles." You can change that however, the procedure for doing so is beyond the scope of this article.

#Set pdc to use external time source install#

Usually, Active Directory and the domain controllers determine which domain controller is going to serve as the PDC emulator when you install Windows 2000 on your network. In a multiple domain forest, the PDC emulator at the root of the AD forest controls time for the entire enterprise. Domain controllers use the domain controller with the PDC (Primary Domain Controller) emulator FSMO (Flexible Single Master Operation) role to determine the time they use.

Network client desktops and member servers obtain their time from the domain controller that authenticated them on the network. Windows 2000 computers use a complex hierarchy when synchronizing time. Windows 2000 servers use the Windows Time service, known as W32Time, to ensure common time usage by clients and servers on the network. All of your Windows 2000 servers must have a common time or things can get pretty messy. Windows 2000 uses time for Active Directory synchronization as well as for Kerberos. Windows 2000 is very dependent upon proper network time. To do so, you can use the Net Time command and the Windows Time service. You can use NTP and Internet time servers to set the clock on one of your network servers you can then use that server as a reference server for all of the other Windows 2000 servers on your network. For more information about the NTP protocol and where you can access these time servers, see the TechRepublic article "Keeping Network Time Protocol with the Time Synchronization Server." These time servers are usually tied to cesium clocks, which are used as the basis for correct time by many international organizations. NTP allows you to synchronize the time on your servers or workstations with centrally located and precisely timed time servers on the Internet. But there’s another protocol called Network Time Protocol (NTP) that you may not be as aware of. For information about synchronizing time on your Windows NT server with the Internet, see the Daily Drill Down "Keeping time on your NT network."īy now you’re probably more than familiar with the HTTP and FTP protocols that fly down the Internet every day. In this Daily Feature, we’ll only be discussing using the Net Time command under Windows 2000.

#Set pdc to use external time source how to#

In this Daily Feature, I’ll show you how to do so on your Windows 2000 server. And although you can have your servers synchronize with a central server on your network, how do you make sure that at least one server on your network always has the exact time?įortunately, you can use the Internet to ensure proper time on your network. It’s equally important to have consistent timing in large Windows NT 4.0 networks. Active Directory requires time to be synchronized and accurate throughout your network. Today’s networks are much more demanding when it comes to precise timing. How many times have you looked at the time on your server and found that the clock has drifted several minutes or more from the actual time? On older networks, time drifts were simply annoying, but they’re not anymore. As great as computers are at crunching numbers, it’s sometimes shocking just how poor they are at timekeeping.