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3
votes
1answer
2k views

Amazon EC2 instances changes server time/date on reboots and other time weirdness

I have a windows instance up in EC2. I manually set the timezone to Pacific. 1) For some reason using window's built in time sync doesn't work in the instance...but whatever. I turn off automatic ...
2
votes
1answer
139 views

Problem with time syncronization in client machine

The company I work for still uses Windows 2000 Server for most, if not all of its infrastructure. I recently joined my Vista laptop to the domain and noticed the system clock jumped ahead by an hour. ...
2
votes
3answers
4k views

Time Drift on VM servers, need a reliable solution

We have some windows server 2008 VMware instances on multiple physical servers (hosted) and an application which requires the time to be synced across the server instances. Obviously, VMware has ...
0
votes
3answers
170 views

Solution to time shifting requirement in Active Directory

I currently have an active directory that has several child domains (consisting of nothing other than a DC and bespoke application servers) set-up for testing our CRM software, as some of it is ...
0
votes
1answer
163 views

Clock battery broken on Solaris - how to workaround until I can fix the battery

My main Solaris server has an issue with its battery and thus I lose around 20 seconds per day. Currently I am using rdate once in the morning to synchronise the time. Which approach should I use ...
8
votes
4answers
16k views

How to set a frequent period for NTP client to sync with the NTP server

I've setup an NTP client for my DC to sync time with time.windows.com but I want it to query the NTP server at least twice a day. I made all the changes via the registry, is there a period registry I ...
1
vote
3answers
367 views

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 ...
1
vote
1answer
3k views

High time accuracy on Windows Servers - alternatives to w32tm?

Microsoft's Windows Time Service is not designed to, and does not maintain second accuracy: http://blogs.technet.com/askds/archive/2007/10/23/high-accuracy-w32time-requirements.aspx What software is ...
2
votes
2answers
7k views

Time not propagating to machines on Windows domain

We have a two-domain Active Directory forest: ourcompany.com at the root, and prod.ourcompany.com for production servers. Time is propagating properly through the root domain, but servers in the child ...
1
vote
1answer
149 views

Windows time sync

By default the value of MaxAllowedPhaseOffset is 300 i.e. 5 mins. If I reduce it to 60 secs. What affect can it have ?
1
vote
6answers
788 views

Time sync in data center

We currently have setting to sync time when spread is more than 5 mins, but it's getting to a point where some applications don't accept it. What is best practice out there to sync time for all ...
6
votes
3answers
12k views

NTP is running, system clock still not in time - what gives?

A Debian Stable (5.0.3) server is running ntpd, and connected to the internet. Still, the system clock is about 5 minutes wrong. $ /etc/init.d/ntp status NTP server is running.. Relevant parts (I ...
1
vote
5answers
935 views

Accurate Timekeeping for Windows Server 2008 VMs without Domain Controller

I'm looking for guidance on how to best configure a group of four Windows Server 2008 VMs (two on one host, and two more on another), so that they maintain accurate time, across reboots/shutdowns. ...
1
vote
3answers
516 views

Synchronise client to internet time server from within a domain

Our infrastructure team have bigger things to worry about right now than the network time being 2 minutes out (2 mins slower than external reliable sources). However, the time being wrong really bugs ...
3
votes
2answers
5k views

Domain Controller time is 7 minutes fast

I have a Server 2008 R2 domain controller running in VM on Hyper-V that is 7 minutes fast which I need to fix. I understand that this maybe down to the DC running in VM's. What I would like to know ...
1
vote
2answers
2k views

Is it impossible to sync time on Windows XP?

I tried every time server out there but all I get is An error occured while Windows was synchronizing with *time server* I also tried the Atomic Clock Sync by WorldTimeServer.com but then the time is ...
3
votes
2answers
141 views

Reliable Time Protocol Server Online?

I have some OLD legacy hardware that I'd like to keep time synchronized on. It supports the TIME protocol (not NTP). Are there any reliable TIME servers online anymore? If so, where? -M
2
votes
3answers
2k views

Win 7 time service error

I see a warning in my Win7 Events Log: The time service has not synchronized the system time for 86400 seconds because none of the time service providers provided a usable time stamp. The message ...
0
votes
1answer
221 views

NTP / SNTP and UTC Time

I'm trying to get a little bit smarter about the NTP & SNTP protocols. I have read through the RFC's and understand how the protocol works, but I'm uncertain about the timestamps themselves. The ...
0
votes
2answers
561 views

daylight saving on some windows servers not working

We've just had a daylight saving change over here in NZ and some of my servers haven't changed over. I've syncronised the PDC with an NTP server which is working. The PDC has the correct time. ...
5
votes
1answer
19k views

Can't access some clients using w32tm /stripchart - error: 0x800705B4

I'm trying to track down a time synchronisation problem. I've got a DC in a remote branch. w32tm /dumpreg /subkey:Parameters reveals Type = NT5DS and the Type means its sync'ing with the domain, I ...
0
votes
4answers
3k views

How to keep corporate Blackberry devices “on time”?

Does anybody know if the BES Server has any option to "provide" the time to the devices on sync? The issue here is, we have users travelling to other Time Zones who are changing the TIME of the BB ...
0
votes
2answers
603 views

How to synchronize time on virtual linux server running occasionally?

I have following setup for web development: Windows laptop with Microsoft Virtual PC 2007, in it i have Centos virtual machine. Problem i have is that every time when laptop goes to sleep with ...
28
votes
12answers
9k views

Is anyone using GPS for time sync?

I've come across a handful of GPS NTP servers, as well as some inexpensive solutions using off-the-shelf receivers and software. Right now I'm just using NTP with a list of servers over the Internet. ...
5
votes
4answers
39k views

How to synchronize the clock of a windows server 2003 domain server?

Given a windows server 2003 domain server, I'd like to sync it's time to (any) external time services (it's off a couple of minutes). How to do this 1, manually; 2, in an automated manner every week?
2
votes
5answers
598 views

Accurate DateTime synchronization for Workstations?

How do I synchronize and ensure that the workstations have accurate DateTime synchronized when needed? We have to change workstation date-time for testing some apps. How do I ensure back original ...
7
votes
7answers
13k views

Hyper-V Machine drifts time all over, even with NTP

Resolved The problem was Hyper-V on that machine. I removed Hyper-V, installed VMware Server, ran the same VM. Time sync issues went away (< 100ms difference after a day). My setup is like this: ...
9
votes
9answers
5k views

Time drift

How do you deal with server time drift?
4
votes
3answers
1k views

Best way to synchronise the time on a Windows 2008 Server

I have a small Windows domain (all servers running Windows 2008), with a single Windows 2008 Domain Controller. What is the best way to synchronise the time across all servers with an Internet Time ...
31
votes
4answers
15k views

Windows Server unable to synchronize NTP time reliably

Why does Windows Server (2008, in this case, but I've seen the same problem in 2003) seem to have problem synchronizing time? I've seen this error in my System log across a variety of servers: The ...