Network Time Protocol, used to synchronize clocks on the Internet.

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18
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2answers
63k views

Where do I find the 'Internet Time' (NTP) settings in Windows 7

In Windows XP you can get to the 'Internet Time' settings (to select a ntp server or force an update) via the 'Date and Time Properties' in Control Panel. Anyone know where this is found in ...
1
vote
1answer
86 views

How to measure synchronisation performance?

I'm looking for a tool for Debian Linux that can measure the synchronisation performance between two desktops. I'm using RADClock instead of the NTP client to synchronise my desktops. Any ...
3
votes
2answers
1k views

Synchronizing time within workgroup

I have workgroup consisting of three Windows 7 computers without access to Internet. My wish would be to synchronize time across all by making one of them NTP server. Is there any free NTP server out ...
1
vote
4answers
10k views

Mac OS X Date & Time Synchronization

When I have set Mac OS X to set it's date and time automatically, how often is this really done? And is there a way I can force an update?
2
votes
1answer
940 views

Software displaying the time of an NTP server

Is there any software that can display the time from an NTP server? Irregardless of what is going on with the time in the operating system itself. Like, just enter in the hostname of an NTP server and ...
2
votes
4answers
175 views

Least expensive AND smallest CPU setup

I'm looking to build a very simple NTP clock, nothing else. I'd like to get a small screen and mount a small chassis to the back of it. It's sole purpose will be to display a clock and poll the data ...
10
votes
1answer
5k views

Windows clients not using NTP server provided via DHCP

I have a network consisting mostly of Windows Vista and 7 clients and an Ubuntu server. The server provides both the DHCP and NTP services through dhcp3-server and openntpd. In my dhcpd.conf, the ...
15
votes
1answer
28k views

What are the iptables rules to permit ntp?

My server's clock is wrong because the firewall doesn't permit ntp traffic. What are the iptables rules required to allow the ntp client to get out and back? Any suggestions how to implement those ...
8
votes
1answer
3k views

How to increase frequency of time server synchronisations?

I have a that PC (Windows XP SP3) keeps losing time whereby it ends up being about 5 mins slow per day from all the other PCs and clocks about the place. Is there a way to increase frequency of ...
0
votes
1answer
375 views

ntp.conf sync to local machines

I have 2 linux machines, they do not have internet connectivity or any other means of getting an external clock. I need one of them to act as the "master"/server and the other machine to sync it's ...
4
votes
4answers
11k views

Why is my NTP controlled computer clock two minutes ahead?

The clock in my computer is configured to be synchronized using NTP. To verify this I have tried two NTP clients using various NTP servers. My computer and the NTP clients are in complete agreement ...
1
vote
2answers
865 views

Mac OS X - configuring ntpd server with on LAN with D-Link DIR-655

This question is pretty specific, but I hope someone will have seen this error elsewhere. I am configuring a machine running OS X 10.5.8 to be an NTP server for machines connected to a LAN that is not ...
2
votes
2answers
3k views

How to initiate NTP update

My MBP currently is not connected to the internet when it is booted. (vacation) now I notice, that each time I return to OS X after a Bootcamped XP game, my system time is of by an hour. (XP and OS X ...
0
votes
1answer
1k views

Using ntpd on Ubuntu for Windows 7 client?

I've just aptitude install ntp on my Ubuntu box, and now I'd like my Windows 7 desktop to synchronize its time with that machine. The Ubuntu box is synchronising with my ISP's time servers correctly: ...
2
votes
2answers
2k views

ntpd update interval?

How often does the NTPD service update system clocktime by default?
0
votes
1answer
1k views

Security considerations with using an NTP server

What are the security considerations to keep in mind when using an NTP server to synchronize time? Wikipedia lists that there are no known high-risk vulnerabilities, but are there any lower risk weak ...
1
vote
3answers
4k views

Sync the clock on Windows 7 to the time server more frequently

On Windows 7, is the way to sync the clock to the time server more frequently still the same as before (by regedit)? Are there other ways such as by using the control panel or system tool?
6
votes
3answers
18k views

I get “An error occurred while Windows was synchronizing with [name of time server].” when trying to automatically synchronise PC time

Prompted by the answers to this question I decided to give the Windows built in time synchronisation another go. However, no matter what time server I use I get this error: "An error occurred while ...