NTP stands for Network Time Protocol, and it is an Internet protocol used to synchronize the clocks of computers to some time reference.
Questions tagged [ntp]
717 questions
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Time Zone keeps changing after sync with PDC in different site
Background: I have a single domain, running in 2 sites that is connected using Site-to-Site VPN.
Site A is running in time zone 2:00+ UTC
Site B is running in time zone 4:00+ UTC
DCs are correctly placed into their own corespondent subnet in the…
Noor Khaldi
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how to get a subset of NTP servers from *.pool.ntp.org?
I am doing some reliability tests and needed a list of NTP servers from fr.pool.ntp.org (or any other geographic or national pool).
I queried the pool 100 times but only got 13 unique servers (out of the 255 available for FR). This is expected as…
WoJ
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Where do computers/servers in a Windows Domain get their time settings from?
I have 5 Windows Server 2012 servers and around 100 computers in our domain.
Recently I noticed that the time on the servers and computers is around 30 seconds fast.
Where do servers and computers on the domain get their time settings from? Is that…
SMW
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Can I configure a server to use a user port(>1023) for NTP?
Can a linux server be configured to use a high source port(above 1023) for NTP synchronization with a Stratum 1/2 server?
Are there any disadvantages to doing this?
demiAdmin
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ntpd logging debug to ntpd.log
using ntpd 4.2.6p5 on redhat 6.5
How do I configure /etc/ntp.conf to generate debug messages to logfile?
in /etc/ntp.conf I have
logfile /var/log/ntpd.log
but that only does very basic entries.
Using '-d' outputs debug messages to the console,…
user2062463
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Server Migration 03 -> 12
I have run into a wall and out of ideas. Here's the situation. I have a client that has a old '03 DC with a 12 replicating the '03 server. It is out dated and has to many group policies and stuff it doesnt need. Plus it was name as their domain (web…
Dustyn Davis
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Main DC is no longer NTP or hold FSMOs
Good Afternoon,
We two virtual DC and one local physical read only DC. When we moved our data center offsite with a warm backup site we p to v our DC’s and DC1 was the master schema.
While troubleshooting another issue we found an issue with our…
James O'Keeffe
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Neglected services on old DC - how to move to new DC?
We have installed a new Server 2012.
The new server: DC3 (192.168.0.3), has been promoted, and is now our main DC (includes : DNS, DHCP)
Schema master DC3.domain
Domain naming master DC3.domain
PDC …
Saariko
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NTP offset between PDCe and DC (Both Hyper-V)
I'm facing an issue, here is the context:
1 PDCe (192.168.1.3 and Hyper-V virtualized) is set as NTP server, its source for time is VM IC Time Synchronization.
1 DC (Hyper-V virtualized) is retrieving NTP informations from PDC, mentioned above,…
Reginald Kansas
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RedHat ntp offset becomes bigger over time
I have a strange issue with a server. It is configured to use 2 servers, just like all the other server (the config is the same for a couple of server and they are all working except this one) and it had a huge offset (over 1000s), but every 1h20min…
timmeyh
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How should I manage and troubleshoot NTP issues?
For some time now I've been fighting with some NTP issues in my company's network and I'm having a hard time to understand how the commands combine with the service.
For example:
In the server's /etc/ntp.conf there's a line:
server…
Itai Ganot
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How can I have ntpdate ignore skew?
During a server bootstrap process, I want to explicitly run ntpdate rather than rely on the ntp daemon. However, the clock can be severely skewed at this point in time, which causes an error when executing sudo ntpdate address.of.ntp.server. I…
jonderry
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SES time sync error
My SES setup was running fine for the last 6 months without any issues. All of a sudden it stopped working yesterday and I'm gettinng the infamous time sync error.
Naturally I assumed ntpd had stopped, but to my surprise when I checked the process…
skmvasu
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Windows Server system time drifts badly on Amazon EC2 instance
We've been using an EC2 micro instance for a little remote monitoring for the past few weeks, and it's bothered me badly how the system time is never accurate; no matter how much fighting I did with Windows time syncing, it was never working…
jski
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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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