Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [time-synchronization]

257 questions
1
vote
3 answers

Incorrect time source on DCs Server 2008 domain?

So we had a user complain about the clocks being a minute out on her desktop and how she always misses her train as a result. Despite my incredulous reaction to such a thing it did prompt me to investigate the time sync in our domain and it has…
user35213
1
vote
1 answer

inconsistant w32tm results

What can be the reason to get 2 different results when running C:\Documents and Settings\wswebuser.OPTI>w32tm /monitor OptiDC.opti *** PDC *** [192.168.0.2]: ICMP: 0ms delay. NTP: +0.0000000s offset from OptiDC.opti RefID:…
Saariko
  • 1,791
  • 14
  • 45
  • 75
1
vote
1 answer

Possible to determine whether a Windows server has time synchronization enabled?

A customer asked me to take a look at his Windows 2003 server and tell him whether the server has an active time synchronization with a time server. I thought I can use the command: w32tm /query /status But it seems that the /query option is not…
Uwe Keim
  • 2,420
  • 5
  • 30
  • 47
1
vote
1 answer

ptp time synchronization on centos6/rhel

I need to setup time synchronization using PTP (precision time protocol). I'll get server address. I found ptpd server (version 2.1). I created startup files in /etc/init.d. But wondering what options other than showing on which interface I should…
sashk
  • 334
  • 1
  • 9
  • 18
1
vote
0 answers

WS_FTP Server - All Files Older Than 30 Days Show Date but NO Time Stamp

Picture from FileZilla of the root of my FTP Server running WS_FTP Server 7.5.1.2 on Windows Server 2003x64 Standard sp2 Notice how the first file folder shows the date 8/24/2011 but no time and the second file folder shows 10/13/2011 3:26:00 AM,…
ben
  • 123
  • 2
  • 7
1
vote
3 answers

Dovecot time sync issue, need to step it back due to broken ntp

I have a postfix MTA with dovecot for pop3/imap etc.. The server's RTC is horrible and is about 10 min fast every month, but this is an annoyance when dealing with logs and because people rely on timestamps in email. I've dealt with this for the…
outofluck
  • 23
  • 5
1
vote
5 answers

precise time synchronization of solaris servers with NTP over LAN / WAN

I have 2 servers on a LAN that I want to precisely synchronize. the goal is to have a time difference < 500 microseconds, constant, with no drift (from what I've found on the web, this is achievable accuracy). those two servers must also have…
Bastien
  • 169
  • 2
  • 9
1
vote
3 answers

'This server's clock is not synchronized with the primary domain controller's clock' when accessing shared drive

This is so weird I feel compelled to ask for advice. I have a handful of workstations who are receiving time from a GPS timeclock. The PDC has the default domain policy set to use the GPS timeclock as the NTP timesource. All the workstations sync to…
Greg Buehler
  • 1,030
  • 2
  • 10
  • 14
1
vote
1 answer

Windows Server 2008 R2: Syncing Primary Domain Controller to Internet Time (MS time server) error

Using a Microsoft resources to sync my PDC to microsoft's time I used the following command as an administerator on cmd w32tm /config /computer:<> /manualpeerlist:time.windows.com /syncfromflags:manual /update but this returns << was…
Reuben
  • 139
  • 1
  • 4
  • 17
1
vote
3 answers

What is the most simple way to automatically update the time on a server?

On ubuntu server my usual solution is just to install the ntp package and call it a day. This installs all the binaries I need and has ntpd start at boot time. Right now I'm working on a server configuration that will be replicated across many…
John Bachir
  • 2,364
  • 7
  • 29
  • 37
1
vote
0 answers

NTP client synchronizes with LOCAL instead of stratum 1

I have 2 NTP servers. One synchronized directly with a GPS clock (I will call this server 185), so st 0. Then I have a second one (Let's call it 186) that should synchronize with the 185 since it is st 1 but instead it synchronizes with…
Moncloa
  • 11
  • 3
1
vote
1 answer

Incorrect PTP timestamps

I have trouble syncing to Linux systems using PTP. Setup: Two PCBs with a BegleCore module and a DP83640 PHY are connected with each other over Ethernet. One board should act as the PTP master, the other as the slave. Debian 10, Kernel:…
11011100
  • 111
  • 3
1
vote
2 answers

NTP/Chrony not keeping time synchronized on CentOS 7.9 (VM running on VMware ESXi)

I have 3 servers running CentOS 7.9.2009 in a data center (VMware ESXi). These servers report that the time is not synchronized. I have a similar test environment running on an inhouse VMware ESXi server where the servers sync. the time Ok. The…
John Dalsgaard
  • 203
  • 3
  • 11
1
vote
2 answers

Windows time service sync to external ntp servers only if they coincide

I recently had a problem which I've never seen occur before. One evening around 2030 one of the DC's changed its clock back an hour. This server syncs to two addresses in pool.ntp.org. Nobody was present when this occured and the event logs clearly…
Ian Murphy
  • 1,349
  • 4
  • 19
  • 30
1
vote
3 answers

Terminal Server 2003 Gaining Time when Windows 7 Client Connects

A Windows 2003 Terminal Server keeps time perfectly until a Windows 7 Home client connects. Then it gains time at a rate of several seconds per minute. The client connects through a firewall with only the RDP port open. The client runs the same apps…
Matthew
  • 174
  • 5
1 2 3
…
17 18