Single point of failure..........

 John W. Cook
System Administrator
Partnership For Strong Families
5950 NW 1st Place
Gainesville, Fl 32607
Office (352) 244-1610
Cell     (352) 215-6944
MCSE, MCP+I, MCTS, CompTIA A+, N+, VSP4, VTSP4

From: Steve Ens [mailto:stevey...@gmail.com]
Sent: Tuesday, August 09, 2011 11:53 AM
To: NT System Admin Issues
Subject: Re: Strange Time issue

I've done the same thing on my hyperV guests...turn off host time sync and have 
them all sync to the DCs.  The FSMO role holder is the only machine syncing to 
an external time source.
On Tue, Aug 9, 2011 at 10:49 AM, Andrew S. Baker 
<asbz...@gmail.com<mailto:asbz...@gmail.com>> wrote:
Exactly the problem I've seen at two locations.     That's why we moved away 
from the hosts managing the clock for the guests.

ASB

http://about.me/Andrew.S.Baker

Harnessing the Advantages of Technology for the SMB market...



On Tue, Aug 9, 2011 at 11:24 AM, Senter, John 
<john.sen...@etrade.com<mailto:john.sen...@etrade.com>> wrote:
We kept getting time issues when we had ESX set the time on Windows servers 
because the domain will adjust the server time and then the ESX system adjust 
it back. This kept causing the time to go back and forth and it turned out the 
ESX systems were getting skewed from the NTP source at a greater rate.  So let 
the domain do its thing with the servers by setting time.

From: John Cook [mailto:john.c...@pfsf.org<mailto:john.c...@pfsf.org>]
Sent: Tuesday, August 09, 2011 11:18 AM

To: NT System Admin Issues
Subject: RE: Strange Time issue

All domain machines. All VM guests sync to the ESX hosts. All workstations sync 
to physical DC's that use standard Windows time service.

 John W. Cook
System Administrator
Partnership For Strong Families
5950 NW 1st Place
Gainesville, Fl 32607
Office (352) 244-1610<tel:%28352%29%20244-1610>
Cell     (352) 215-6944<tel:%28352%29%20215-6944>
MCSE, MCP+I, MCTS, CompTIA A+, N+, VSP4, VTSP4

From: David Lum [mailto:david....@nwea.org<mailto:david....@nwea.org>]
Sent: Tuesday, August 09, 2011 10:49 AM
To: NT System Admin Issues
Subject: RE: Strange Time issue

Are these domain machines? You don't sync them to a DC and sync the DC out to 
an external NTP server?
David Lum
Systems Engineer // NWEATM
Office 503.548.5229<tel:503.548.5229> // Cell (voice/text) 
503.267.9764<tel:503.267.9764>
From: John Cook [mailto:john.c...@pfsf.org<mailto:john.c...@pfsf.org>]
Sent: Tuesday, August 09, 2011 7:21 AM
To: NT System Admin Issues
Subject: RE: Strange Time issue

I actually use the VMWare tools time sync function on the guests and have my 
hosts sync to north-america.pool.ntp.org<http://north-america.pool.ntp.org>. 
I'm on ESX 4.1 not ESXi

 John W. Cook
System Administrator
Partnership For Strong Families
5950 NW 1st Place
Gainesville, Fl 32607
Office (352) 244-1610<tel:%28352%29%20244-1610>
Cell     (352) 215-6944<tel:%28352%29%20215-6944>
MCSE, MCP+I, MCTS, CompTIA A+, N+, VSP4, VTSP4

From: Andrew S. Baker [mailto:asbz...@gmail.com<mailto:asbz...@gmail.com>]
Sent: Tuesday, August 09, 2011 10:05 AM
To: NT System Admin Issues
Subject: Re: Strange Time issue

As John notes, you should let the guests keep time for themselves, and not get 
their time from the hosts.
ASB

http://about.me/Andrew.S.Baker

Harnessing the Advantages of Technology for the SMB market...


On Tue, Aug 9, 2011 at 9:53 AM, Greg Sweers 
<gswe...@acts360.com<mailto:gswe...@acts360.com>> wrote:
We have a single VMware ESXi 4.1 running 1 Windows 2003 R2, and 1 x 2008 R2 
server.  The 2008 R2 server runs faster.  Watching the clock it actually 
tickets about 3 real seconds to 5 seconds on the clock in the console.  
Needless to say this puts stuff out of sync pretty quick.

Looked online and I found a few posts regarding some weird time services, but 
nothing Microsoft or VMware.  Anyone seen this before?  The 2003 Server runs 
normally.  I can resync against the DC and they are out of sync by 15 seconds 
in under a minute.

Greg Sweers
CEO
ACTS360.com<http://www.acts360.com/>
P.O. Box 1193
Brandon, FL  33509
813-657-0849<tel:813-657-0849> Office
813-758-6850<tel:813-758-6850> Cell
813-341-1270<tel:813-341-1270> Fax




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