The ntp tag has no wiki summary.
1
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1answer
92 views
Windows 7 as NTP Time Server
Trying to get Windows 7 box to act as an NTP Time Server for linux clients
From here:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\
In the right pane, right-click ...
2
votes
2answers
107 views
NTP not updating the server time in CentOS
I compiled ntp for arm
My NTP client is not updating the time from any of the server
I referred to the post "Why is ntpd not updating the time on my server? (7)"
But nothing works out..
Here is the ...
2
votes
2answers
41 views
How often does asymmetric latency actually happen?
I was reading through the Wikipedia entry on NTP, and noticed this:
The NTP synchronization is correct when both the incoming and outgoing routes between the client and the server have ...
1
vote
1answer
36 views
Windows Server 2008 R2 NTP ignoring SpecialPollInterval
I've pointed the 2k8 machine to the NTP server and it updates fine on the original bootup. But I want it to update every 30 seconds. It's for a practical and I have to show NTP in action. It keeps ...
0
votes
1answer
18 views
What command is need to set the time on a Windows server when it boots?
I am running a Windows server on a VM and the time isn't accurate after it reboots.
Is there a command to set the time on a Windows 2008 via NTP when it boots?
It needs to run at boot time not at ...
2
votes
3answers
84 views
Should I timesync against PDC Emulator or NTP timesource? (PDC not in hub)
I know the best practice would be to have the PDC Emulator to sync against an external NTP time source, and have all other domain controllers sync against the PDC Emulator.
However, my network layout ...
0
votes
2answers
37 views
Timekeeping between various Windows computers on network (but not all)
I have a situation where I have the following setup:
============Primary Network===============
=
=
Bridging Server
=
...
1
vote
3answers
176 views
Linux Centos 6.2 “hangs” until date is synchronized
I'm having a problem that i cannot understand why or how to solve it.
I have a Centos 6.2 server, that's my secondary DNS (bind 8) and DHCP (ISC's dhcp server).
I need to maintain an accurate date ...
4
votes
1answer
59 views
How well will ntpd work when the latency is highly variable?
I have an application where we are using some non-standard networking equipment (cannot be changed) that goes into a dormant state between traffic bursts. The network latency is very high for the ...
1
vote
1answer
52 views
Use ntpd to log time adjustments rather than set system clock
Is it possible to use ntpd to log all time resets and adjustments rather than set system clock?
0
votes
1answer
64 views
ntpdate cannot receive data
I have a problem where running ntpdate on my server doesn't return any data therefore I get the following error:
[root@server etc]# ntpdate -d -u -v time.nist.gov
12 Apr 01:10:09 ntpdate[32072]: ...
-3
votes
3answers
138 views
How to configure ntpd to sync time more frequently?
I need to set ntpd to sync time as often as possible, how to do that?
UPD I need to make ntpd adjust system clock more frequently, not poll servers. It's necessary because system clock of my virtual ...
1
vote
1answer
61 views
Time sync fails on Hyper-V VM, but succeeds when I log in as a domain user
We have a Windows Server 2003 SP2 VM running on Hyper-V (Server 2008 R2 host). The VM has Hyper-V time synchronization enabled.
I noticed that the time on the VM was fast by around 25 minutes. I saw ...
0
votes
1answer
82 views
Dual DC Time Service
I believe I'm having an issue with my Domain Controllers and Time Server. On my back up DC, I keep seeing a warning stating "The time service has stopped advertising as a time source because the ...
-1
votes
1answer
51 views
Multiple NTP Server Instances on One Server (Linux)
Is it possible to run multiple NTP server instances on the same system? We're using CentOS for our NTP system and want to synchronize specific time depending on what interface the client comes in on. ...
0
votes
2answers
301 views
NTP configuration not recognized?
I'm trying to configure NTP on my machine but it seems that the parameters I set are not being read by the system. Below is my /etc/ntp.conf file. (I applied the most basic configuration to eliminate ...
0
votes
1answer
32 views
Do CDMA based time servers passively read timing information from the cell network?
GPS based time servers are receive only, that is, they passively read the timing information from the GPS network. Do CDMA based time servers work the same way? In other words, do CDMA based time ...
2
votes
2answers
135 views
Best practices for NTP updating in VirtualBox virtual machines without guest additions?
I have a couple of VMs that cannot have guest additions installed, and I pause and resume them with days between. I normally forget to nudge NTP when I start up the VM. Is there a good way to tell ...
1
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2answers
72 views
Identify NTP clients using my server
I have an HPUX NTP Server. It is the server for a dumb client device that has NTP built-in. I can tell the client the server IP and interval but cannot get any logging out.
How do I know if NTP ...
0
votes
1answer
179 views
NTP not syncing, only syncs on service restart
My ubuntu 11.10 server has been sitting there quite happily for the last 3 - 4 months, then suddenly the time started going out of sync by one hour. I'm not sure why, nothing has changed re the ...
-1
votes
2answers
159 views
State of the art auto time sync? [closed]
Placing ntpdate into cron seems to be no longer a good idea.
What is an
easy
state-of-the-art
automatic
environmental friendly ;-)
sleek
way of keeping a (debian) server's time clock up to date?
1
vote
3answers
166 views
sync time on linux using ntp and persist it
on linux to sync time with ntp you say
ntpdate pool.ntp.org
however after reboots, the time gets reset to some odd value again. is there a way to persist the changes?
how do I set the computer ...
1
vote
2answers
106 views
Change Domain Controller time +5 minutes
I have medium-sized Windows network of 60 workstations and 10 servers (2 of which are Domain Controllers). One DC holds the FSMO roles including the PDC Emulator. This the DC with PDC does not sync ...
1
vote
2answers
125 views
Windows 2008 - Time Sync
What is the threshold in Windows 2008 when the local clock differs from an NTP source and it will not synchronize?
For example, if the local time is off > 2 days, will NTP still sync? Is there a ...
1
vote
1answer
123 views
Windows 2008 R2 64 bit multihomed. NTP time synching issue
I have a DMZ machine that i wish to sync to a time source ().pool.ntp.org.
Perimeter Firewall is setup to allow relevant ports through.
Obviously local FW on the server is on and configured to allow ...
3
votes
2answers
191 views
Increasing time difference between Windows Server 2003 and time.nist.gov even after explicitly syncing time
I have synced the time of my server to time.nist.gov. This server communicates with a client’s server which is also synced with time.nist.gov.
After noting that we seemed to be out of sync with the ...
1
vote
1answer
68 views
Windows NTP client changes timezone to Pacific automatically
I have a Windows 2008 server machine and I am trying to use this public IP 128.252.19.1 to synchronize the time, however, I would like my system to have Eastern timezone. When I enter the ...
0
votes
1answer
117 views
Meinberg ntp for Windows - force more frequent updates?
I have a Windows VM that has time drift problems, and left to its own devices will drift by minutes per day.
I know there are issues with time on VMs, but I was hoping using the Meinberg NTP service ...
2
votes
1answer
181 views
How to return to Default settings of NTP/Time server on domain with GP
This is an Edit - according to the comments, I may have not been understood/
Facts:
I have a Windows 2003 Domain
PDC Emulator is enabled and working correctly on my DC
I have a GPO that is NOT ...
2
votes
1answer
201 views
How can I disable NTP in pfsense?
I am running my pfSense gateway in a ESXi server. right now the server gets its time from the NTP server specified in the general settings section of the WebGUI.
I want to disable this so pfSense ...
1
vote
1answer
59 views
Current time is off on a Windows 2003 Server DC
I have a single server that is also a domain controller in a cabinet, there are no other servers attached to its domain. I've reset the time in the BIOS (from what I recall) and in Windows to the ...
0
votes
1answer
69 views
NTP on main server, and alternative on virtual (LXC)
I am setting up a server with several VPS. I am using LXC.
I am thinking it would be better to have only the main server equipped with ntp and have the virtual boxes just get the time from the main ...
1
vote
1answer
91 views
Windows XP NTP client authentication
I'm trying to configure a Windows XP NTP client to authenticate to a local NTP server on our closed network. How can I make this happen?
One article I've found for configuring the client to talk to a ...
2
votes
1answer
87 views
Is it possible to monitor NTP through SNMP in Linux
Is it possible to monitor the NTP drift value ( I mean measuring the time difference between the NTP server and the server that I am trying to monitor) using SNMP.
1
vote
3answers
211 views
How to configure an authoritative time server in Windows Server
I have a performance lab running behind a firewall, so none of the machines in the lab has internet access. All machines in the lab are part of a domain with the domain controller also present inside ...
1
vote
0answers
41 views
NTP problems in one AD OU?
We have one domain with OU's for each geographic site. We have five physical sites; one in Asia, two in Europe, and two in the U.S. (not sure if this might have any bearing on the situation).
One ...
1
vote
2answers
2k views
WS2008 NTP - Using time.windows.com,0x9 - Time always skewed forwards
I have a domain controller configured to use time.windows.com (with 0x09 flags set). I've noticed that frequently the systems' clock is fast - it varies from 10 minutes to even 45 minutes. I always ...
0
votes
2answers
106 views
Virtualizing NTP server [closed]
Possible Duplicate:
What are the limits of running NTP servers in virtual machines?
I was wondering if virtualizing NTP is okay. I have a VMware ESXi 5.0 box, and I want to virtualize my ...
0
votes
1answer
355 views
NtpClient will wait 3473457 minutes (over 6 years!) before it will do a new attempt of DNS resolution, eventid 134
I find the message hilarious and at first I thought it was some joke from an over-active programmer of the MS team, or a hoax. However, the message appears again and again, a couple of times a day:
...
0
votes
1answer
93 views
NTP doesn't sync
I'm using Meinberg NTP to sync the time in a VPS.
The clock refuses to sync - there's a ~30s shift comparing to other servers. Also
ntpq -p is continuously showing zeros for reach, delays and ...
4
votes
4answers
83 views
Make Windows Server 2008 periodically update internet NTP
I have read a bunch of posts and other information on the internet and I have yet to come across the solution to this question. On a windows network, all the computers sync up with the domain ...
2
votes
1answer
143 views
How to disable NTP client on Windows Server 2008
I configured a Windows Server 2008 machine to be an NTP client using some instructions I found elsewhere.
net stop w32time
w32tm /config /syncfromflags:manual /manualpeerlist:"0.pool.ntp.org, ...
0
votes
0answers
136 views
ntp multicast client config on redhat 5?
All,
I'm trying to get ntp multicast client working on some redhat 5 boxes downsec of an ASA firewall. The ntp servers are on the inside interface of the ASA, and the ASA is configured
to pass the ...
4
votes
1answer
62 views
ntp multicast address
A silly question probably, but guess I need to ask.
If I've got four centos boxes that are acting as ntpd multicast servers, will the multicast address configured in each box's ntp.conf all be the ...
2
votes
2answers
368 views
How to synchronize time between a Windows client and a Linux NTP server?
I want my Windows 7 machine to get its time from my Linux Debian Sid server.
So I want ahead and installed OpenNTPD from the Debian repository. It doesn't listen to anything by default, so I ...
5
votes
6answers
440 views
Accurate, Unspoofable Time Source
I need an unspoofable and accurate time source.
Short of setting up my own atomic clock (unless that's easier than it sounds) how could I accomplish this?
It's not that I don't trust the NTP ...
2
votes
2answers
71 views
Better to use same or closer NTP servers when distributed?
I have a group of servers located in several data centers. They should all be synced so that they have the same time, and ideally, should also have the correct time.
Is it better to sync them all ...
1
vote
2answers
319 views
Ubuntu Enterprise Cloud - NCs down and time synchronization
I'm having trouble with my cloud installation.
I've installed everything from the Ubuntu Server 11.04 CD, then upgraded the system to the latest version (apt-get update && apt-get ...
0
votes
3answers
128 views
NTP with US Chicago time - issue
We are trying to configure NTP with Chicago time but it is showing the st 16u. Also cant see any reference (*) to amy remote server.
>>ntpq -p
remote refid st t when poll ...
0
votes
2answers
270 views
How can I install ntpstat on Ubuntu?
I'm running Ubuntu server 10.04 64-bit.
What I've tried:
apt-get. doesn't know of it.
downloading rpm from here and converting with alien
dpkg-gencontrol: error: current host architecture 'amd64' ...
