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Questions tagged [time-synchronization]

257 questions
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How to correctly sync time of an Hyper-V host which is member of a domain?

There are many posts concerning issues when dealing with time synchronisation over a domain which holds virtualised PDC Emulators (see this article). As a result our PDC Emulator time (and domain time), although configured to sync from an…
Riccardo
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PDCe time won't sync

I'm encountering a very strange situation where the time on my VM-hosted PDCe is reported as synced, but the actual time doesn't sync. The server's running about an hour fast. Here's what I've got: I'm unable to update the time at the command…
InteXX
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Using AD server as NTP server for non-windows hosts (rhel hosts). ntpstat continues to state unsynchronized but ntpdate works. Is this possible?

We currently have an AD server that we are using as a time source. Our AD server is setup to host time locally and the windows domain clients sync up to this machine fine. We have the firewall disabled entirely on the hosts and there are no…
IT_User
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Centos ntpd can't sync

I have a Centos 5(I know that Centos5 is very very old) virtual machine that is refusing to sync. My virtual machine host is Windows 10 with HyperV and is syncing without problems. Things that I have tried: Restart the vm. Disable the vm…
Javier Cintrón
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Windows Client Time Sync with Domain Controller(s) not working properly

I can confirm my domain controller (primary and backup) are syncing with a time server correctly. They're within +0.0002 or so seconds last I checked. I can confirm this with w32tm /monitor from the servers or any client PS M:\> w32tm…
Jguy
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DC NTP not syncing and Local CMOS Clock issue

I've configured my DC (Domain Controller; Windows 2016) as described here to get his time from my Sophos-UTM. So i configured the GPO as described there. But after that and a restart of the server i noticed that when i run the command w32tm /query…
Opa114
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NTP synchronizing always in local

I have an Ubuntu 16.04 with the following NTP configuration: driftfile /var/lib/ntp/drift restrict -4 default kod nomodify notrap nopeer noquery restrict -6 default kod nomodify notrap nopeer noquery restrict 127.0.0.1 nomodify notrap restrict…
Zumo de Vidrio
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Programmatically detect Chrony time sync events

I am working on a sensor system, which runs on an embedded Linux platform and doesn't have access to the internet. An external GPS time server device is connected to provide time synchronization using the chrony daemon. My c++ application reads…
user601693
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date and time in pods in kubernetes hosted in own datacenter

I am having issue with date and time in kubernetes cluster. My host time is sync using the ntp. Though i have synced it after configuring the cluster. Now all the pods created within my cluster will have wrong timezone. I found the issue is with the…
Susanta Gautam
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understanding windows time configuration

I wish to set external time source for all Vms and HyperVs in several domains. Most of the systems are windows Server 2012 R2 or Server 2016. I have been reading a lot of explanations and I somehow figured how to do it. My problem is proving my…
CanBuyukburc
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Disable time sync from the PDC for one machine

I have a Windows Sserver 2012 PDC as virtual machine, I want to disable the time sync of its host with the PDC to avoid the loop. However I want to maintain the sync with all other machines. How to disable time sync for a single machine?
Tobia
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Turn OFF NTPD immediatly synchronization

I have task to synchronyze linux device with ntp server. Documentation said that by default ntpd check the difference between system time and server time, and if offset is within panic threshold(1000s be default) ntpd begin slowly correction of…
yankovic
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chrony time synchronization problems

We have a cluster where exact time synchronization is very important. We use Ubuntu 20.04 servers and and chrony. Unfortunately there are always problems with time synchronization. No other known time synchronization service is running. I can also…
tom
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How to change time on local NTP server and distribute to others?

Is there any solution to retrieve time from a NTP server and change time locally (Increase or decrease) and then distribute new time to other servers? As an example, server retrieve UTC time and change it +1 (Or increase by one hour) and then…
Davoud Teimouri
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Incorrect Ubuntu server time

I use 14.04.1-Ubuntu. When execute date in command line, I get time which about 1 min different comparing Greenwich Mean Time or other source. I synchronized it using sudo ntpdate -s time.nist.gov few months ago but it jumped away again. Why does it…
Justas
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