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Thread: Greg's Weekly quickTIP: VM-in-a-VM is Broken, For Now...




Greg's Weekly quickTIP: VM-in-a-VM is Broken, For Now...
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2008-04-28 18:54:53
April 28, 2008
MCP Magazine News
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Greg's Weekly quickTIP: VM-in-a-VM is Broken, For Now... 

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IN THIS ISSUE: 
- Greg's Weekly quickTIP: VM-in-a-VM is Broken, For Now... 
- Redmond Radio: XP SP3 RTMs; Microsoft's Ominous 3Q Report;
More 
- Special Offers: Office 2007 Migration; Remote Desktop
Management 

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GREG'S WEEKLY QUICKTIP: VM-in-a-VM is Broken, For Now...
 
By Greg Shields

If you're a fan of VMware's high-end ESX 3.0 virtualization
platform, 
then you're likely familiar with the process of running ESX
3.0 within 
a VMware Workstation 6.0 instance. I wrote about the process
to 
accomplish this in Redmond magazine a number of months ago.
I've long 
used that crucial capability to demonstrate ESX 3.0 both to
myself and 
in classroom settings.
http://redmondmag.com/columns/article.asp?EditorialsI
D=2314

But, if you've recently upgraded from ESX 3.0 to 3.5, you
may have 
noticed that booting virtual machines in your Workstation
demo 
environment crashes the environment. It turns out that ESX
3.5 
upgrades its hardware virtualization support in such a way
that it 
breaks this ability to run VMs within VMs on most chipsets 
available today.

According to a document from xtravirt.com, this new
hardware-assisted 
virtualization support may enhance virtualization, but it
also comes 
at a price. The document reads, "ESX 3.5 enables
support of new 
Hardware Assisted Virtualization [a function which requires
chipset 
support] which may not exist in the majority of chips
currently in 
circulation."http://tinyurl.com/4btt34

The document goes on to mention that AMD Quad Core
"Greyhound" 
chipsets have been successfully tested to work with
VM-in-a-VM. But 
these chipsets are relatively new, and so it's likely you
don't have 
them in your current environment.

So, c'est la vie. With VMware's ESX brand of virtualization
relying 
so hard on hardware chipset capabilities, we should have
known this 
day was coming. Until then, all of our demonstration
environments 
will come to a screeching halt until VMware can build an
emulator 
for our demo needs (hint, hint!) or we upgrade to the latest
and 
greatest in chipsets. 

Comment: http://mcpmag.com/columns/article.aspx?editorialsid
=2587#post

AND NOW, FOR SOMETHING COMPLETELY DIFFERENT: Greg Wants your
Very 
Best SMS/SCCM Queries 

Query creation in SMS & SCCM is an art, and building the
very best 
queries for collections and reports is key to doing SMS
& SCCM well.
Contributing Editor Greg Shields wants to showcase your very
best 
queries for an upcoming Redmond column. Help out a fellow 
administrator and get a free Redmond T-shirt to boot! 

Greg Shields, MCSE: Security, CCEA, is an independent
author, 
instructor, and consultant based in Denver, Colo. A
contributing 
editor to Redmond magazine, MCPmag.com and a popular speaker
at 
TechMentor events, Greg?s recent book Windows Server 2008:
What's
New/What's Changed, is now available at www.sapienpress.com.

gshieldsredmondmag.com

Check out MCPmag.com's column archive for more savvy tips
and tricks 
from Jeff, Greg Shields, Chris Wolf and other frequent
contributors. 
http://mcpmag.com/columns/


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REDMOND RADIO for Week of April 28 
Hosted by Michael Domingo

Take a quick listen to what made news last week in the world
of 
Redmond and IT:

* Microsoft Releases XP SP3 to Manufacturing 
* Live Mesh Unveiled at Web 2.0 Conference 
* Microsoft's Third-Quarter Revenue Comes In Flat 
* IT Security Segment Continues To Grow

Plus, listen to find out how to enter the weekly Redmond 
T-Shirt Giveaway:


http://mcpmag.com/webcasts/mcpradio/radio.asp?id=289 

iTunes/iPodder listeners: Download the show automatically by
pointing 
your applet at http://mcpmag.com/rs
s/podcasts/. 

Problems listening to the podcast? Write to mdomingo1105media.com 
and describe the problem to get help. We want you to listen
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In this free webcast, Greg Shields will talk about the
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More Windows Server 2008 resources at Amazon.com. 

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EVENT CALENDAR
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