Questions tagged [time-synchronization]
257 questions
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NTP Server in Network Switch
Is it possible to set up a Switch to acts an NTP Server for the devices connected to its VLAN ?
If so ,how can I implement it my HP Switch A3600 JG299A.
I want to do this because I do not have external NTP Time Source for proper time…
Kratos
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EC2, Ubuntu: Serious time difference between servers
Some of my tests on EC2 servers began failing. When I dug in, the reason was serious time mismatches between my servers:
Sun Jun 22 14:43:43 UTC 2014 # Laptop
Sun Jun 22 14:46:36 UTC 2014 # Server #1
Sun Jun 22 07:50:19 UTC 2014 # Server #2
The…
Adam Matan
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Domain member as ntp server for other (non-domain) network
I am attempting to synchronize the date and time for a number of computers belonging to a non-domain, statically configured network (e.g. computer B in illustration) with a node which is residing in a domain on a different network interface…
tor
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Wrong time on RODC after dcpromo
My team has been experiencing this strange problem: After doing dcpromo (followed by reboot), the time on the newly promoted RODC rolls back to the year 2011.
Before dcpromo, the time is correct.
The time on the head office's DCs are all correct…
pepoluan
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Why aren't Azure Linux VM's keeping time sync with host?
Using Ubuntu 12.04 VM's built last year on Azure. They only seem to get proper time on boot, and drift about a second a day. Is this a normal issue for Azure VM's? I know VM time drift is normal but thought Linux VM's in Azure (Hyper-V) get regular…
Bret Fisher
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ESXi host time not syncing with NTP servers
I have 2 NTP servers (AD 2003 machines) and some ESXi hosts, which are configured to sync time from these 2 servers. I found the time is not in sync between these hosts and servers. And time in each hosts vary from 2-5 minutes. I had done resetting…
Vysakh
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Setting domain computers Time and Timezone from domain controllers
I have found that we can set computers in a domain to sync their time from the domain controllers. Similarly, is it possible to centrally manage domain controllers' time zones?
Ajo Mathew
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Clock skew on my VPS server
I am having a problem with the time on my VPS hosted at Rackspace. Its running Red Hat Enterprise Linux 5.4. Date commands gives a time which is 11 minutes ahead of the actual time.
I am running ntpd and my /etc/ntp.conf is as per the 2nd option…
Gulam
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configure time sync for azure VMs
I have several ExtraSmall-sized Azure VMs (PaaS / Cloud Service based) that are all experiencing drifting of the Windows clock. Research showed that this is quite common, especially in VMs with shared cores.
Unfortunately even after configuring the…
Nicolas Mehlei
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How to clear/flush ntp server peer in Centos
We were using centos.pool.ntp.org for our clock sync among servers. Now we do ave a local NTP server, but the problem is servers are using the old ntp.
From centos.pool.ntp.org we can see,
*202.71.136.67 211.39.136.4 3 u 29 64 377 …
Jimson James
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ntpdate setting incorrect date after boot
I have a few Debian XEN virtual machines and upgraded them to wheezy(I need the 3.2 kernel for a project). Everything was okay until I rebooted on of the machines.
My current problem is, that ntpdate sets a wrong date after booting, which has severe…
Izzy
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Sync clock on Windows XP machine to external (non-domain, non-workgroup) Windows Server 2008 R2 machine
I have two machines and I'd like their clocks to be in sync for various reasons. Machine 1 is an XP machine located in the office. Machine 2 is a VPS hosted by a third party running Windows Server 2008 R2. These machines are not in any kind of…
Eric
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Can't sync time between domain controller and another servers/computers (windows 2003)
Good morning,
We have domain controller on windows server 2003 and another windows 2003 servers with terminal server and DB and regular workstations. Today in Israel we returned back to winter time (one hour back), domain controller now shows…
Anatoly
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Disabling Host-to-Guest time sync in EC2 windows
In an EC2 instance (Xen Virtualized) is it possible to disable time sync on a Guest VM by Host VM.
I found that it can be done on Linux instance by modifying xen.independent_wallclock=1
Is there any similar way to do it for Windows?
Prakash
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2 EC2 instances have time gap of 25 secs. Is this normal?
I'm running 2 ec2 instances (ubuntu based) behind a load balancer. There seems to be a weird issue where the timestamps generated on these instances differ by 25 secs. This has lead to issues in our application where precise timing is involved.
I…
Mridul Kashatria
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