When we talk about standard NTP server that could provide time sync to cross platform infrastructure objects such as Windows, Linux, Unix, Cisco, HP, F, VMware etc a lot of us prefer Linux based NTP server..There are two levels, or tiers, of Network Time Protocol NTP time servers that are available on the Internet. The NTP is defined in Request for Comments RFC . The first level time servers are primarily intended to act as source time servers for second level time servers..Windows has taken this into account. The Network Time Protocol NTP service has been built into Windows since Windows XP and Windows Server , and most Unix and Linux implementations have supported NTP since they were first built..Yeah, as per martin says, PDC server goes off to internet for master sync we use the built in windows ntp.org server . all other DC’s manually set to use the PDC time. domain PC’s should automati.y pick their time off the DC’s..According to Wikipedia, the Network Time protocol works as follows To synchronize its clock with a remote server, the NTP client must compute the round trip delay time and the offset..The following servers support only authenticated NTP requests using the symmetric key encryption method that is defined in the NTP do.entation..Network Time Protocol Microsoft recommends using a different NTP implementation. Windows Server now supports ms time accuracy under certain operating .If an authoritative time server that is configured to use an AnnounceFlag value of x does not synchronize with an upstream time server, a client server may not correctly synchronize with the authoritative time server when the time synchronization between the authoritative time server and the upstream time server resumes..At first, Microsoft’s NTP server time.windows.com reported the time being an hour later than it should have been. Then, the site went offline. Finally, hours later, the time server came back online with the right time..Active Directory domains for Windows Servers can make time management easier. If Active Directory isn’t in place, here’s how to configure a standalone Windows Server to function as an NTP server..
Dear ALL, Kindly help me for setp up on NTP server on Server and client setting I browsed google but i didnt get any good article we are located in UAE . To configure the PDC master without using an external time source, change the announce flag on the PDC master. The PDC master is the server that holds the forest root PDC master role for the domain..