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Questions tagged [ntp]

NTP stands for Network Time Protocol, and it is an Internet protocol used to synchronize the clocks of computers to some time reference.

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How to set common NTP server for all computers in AD

Possible Duplicate: How to set a frequent period for NTP client to sync with the NTP server. I want to set default NTP server to pool.ntp.org to all computers joining my domain. How can I force this using AD MMC console? Or I have to setup this…
abatishchev
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Windows Server 2022 Time Service Jumping into the future

A handful of times over the last few months one of our Windows Server 2022 boxes will show a warning in the Event Log similar to this The time service has set the time with offset 19630688 seconds., which will then jump forward in time that many…
chris1out
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Sync ntp immediately at boot with undiciplined clock

I have setup one ntp server and 5 clients. I want to force sync the clients to server clock on boot. With my current ntp settings the computers are syncing but after several minutes. I cannot wait so long for them to synchronise. I am not using a…
Sap
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Setting up an NTP server from LAN - KoD packet has inconsistent xmt/org/rec timestamps. Ignoring

I'm setting up a NTP server on my Ubuntu machine and I want my Raspberry Pi's and (eventually) Window's machines to sync from it. I thought things would be pretty straight forward, however I'm getting an error message in my one client…
Ackis
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Time not propagating to machines on Windows domain

We have a two-domain Active Directory forest: ourcompany.com at the root, and prod.ourcompany.com for production servers. Time is propagating properly through the root domain, but servers in the child domain are unable to sync via NTP. So the time…
Richard Beier
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What does x indicate beside NTP IP in the output of ntpq -p

Recently, I see an "x" appears beside NTP server IP in the "ntpq -p" output. Although my server seems to be connected to the peer NTP server, it's supposed to show an "*" instead of "x" prior to the IP. Any idea what that "x" indicates and how can I…
aschkant
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NTP Server - Display DNS name as reference ID

Backstory, I operate a couple of public stratum 2 NTP servers that are part of the NTP pool. These then sync to internal stratum 1 NTP clocks. The issue I have is that clients using the public NTP servers see the internal IPs of the stratum 1…
Stuggi
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are ntp.org pools and time.windows.com safe from gps 2019 week rollover?

Can anyone point to any public doc stating that pools from ntp.org and time.windows.com are safe from next thrusday gps week rollover ? I am looking to something similar to this Red Hat KB https://access.redhat.com/solutions/4018911 thanks g
golemwashere
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chrony does not log anything on my ec2 instance

i am trying to gather statistics from the chrony daemon on my EC 2 (Ubuntu 18.04.2 LTS) instance. i have followed aws's guide on how to set it up and it runs as expected. i need to compare the time sync difference between aws and another service…
Eitan Kats
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NTP 27 seconds Difference

I have DMZ server configured as NTP server to connect to external NTP servers and sync time in all devices in my corporate network. Below are the contents of my ntp.conf file in the DMZ server server 127.127.1.0 fudge 127.127.1.0 stratum 6 driftfile…
Arun Krishnan
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CentOS 4.6 Time Drift

I have a CentOS 4.6 box that was previously a physical device, and has been made into a VM, that has a cronjob to restart the server everyday at 23:00. Which is fine. However, since the shift to virtual (on a Hyper-V host) neither the system time or…
D-Man
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Domain Controller time is 7 minutes fast

I have a Server 2008 R2 domain controller running in VM on Hyper-V that is 7 minutes fast which I need to fix. I understand that this maybe down to the DC running in VM's. What I would like to know is how I can correct it? I believe I can setup…
stead1984
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How to be sure that my system time is drifted?

in my some of production environment time is drifted, i install ntp on my system. when i am executing ntpstat command, i can see below output. synchronised to NTP server (169.254.169.123) at stratum 4 time correct to within 20 ms polling…
Aashish Chugh
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ntpd -q lists no servers

I am trying to set up ntpd on my servers, so that their clocks are kept in sync. I am running Ubuntu 16.04. I have followed these instructions, and everything seems fine until the end. It's now a while later and the output of timedatectl looks…
user31415629
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NTP 'reach' resetting, wrong refid of remote ntp server, and high jitter

I've got a remote unmanned server that's been exhibiting some extremely strange clock/NTP behavior lately. Symptoms: Very high jitter ntpq -pn returns: A resetting 'when' count of back to 1, even though the NTP server is literally 1m of CAT5e…
EnemyBagJones
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