Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

Why does a virtualised "Windows XP" running under "Hyper-V Server 2008 R2" use only one of the four allotted virtual processors?

Posted on 2010-11-18
7
Medium Priority
?
1,301 Views
Last Modified: 2012-05-10
We used the disk2vhd tool to convert a running Windows XP Professional system with a quad-core processor, and attached the resulting image to a guest running under Hyper-V Server 2008 R2.

This VM has 4 virtual processors allotted to it. Everything seems to be normal ("new" hardware required drivers, etc.), but taskmgr shows only one of the allotted 4 uP being used; Device Manager lists all 4 uPs though. Has anybody else encountered this problem before? If so, how can this be resolved (the VM needs 4 uPs for our work).

Is this a potential licensing issue?
0
Comment
Question by:ozjonno
  • 4
  • 3
7 Comments
 
LVL 42

Expert Comment

by:kevinhsieh
ID: 34170866
Install/reinstall the Integration components. It is also possible that you can only use 2 virtual processors, because the desktop OSes only support 2 CPUs. Your XP box was on a single physical CPU that was multicore, but there is no such thing (yet) as a multicore virtual CPU.
0
 

Author Comment

by:ozjonno
ID: 34185035
We had doubts about the HAL ourselves and tried installing "integration services," but the HAL upgrade process keeps prompting for a reboot and never gets installed.
0
 
LVL 42

Expert Comment

by:kevinhsieh
ID: 34185180
Can you uninstal the Integration Services and reinstall them?
0
Veeam Task Manager for Hyper-V

Task Manager for Hyper-V provides critical information that allows you to monitor Hyper-V performance by displaying real-time views of CPU and memory at the individual VM-level, so you can quickly identify which VMs are using host resources.

 

Author Comment

by:ozjonno
ID: 34185394
Have done that many times before. The following dialog boxes show up after we "insert" the integration services "disk" into the VM:

*HAL Upgrade Required*
"Prior to installing Hyper-V integration services, the HAL in this virtual machine must be upgraded. This will require a reboot of the virtual machine before continuing with the installation process. Are you sure you want to do this?"
[select Yes]

*Hyper-V integration services*
"Upgrading HAL" (activity-bar)

*Restart Required*
"You must restart your system before Hyper-V integration services can be installed. Do you want to restart now?"
[select Yes]

The system then restarts, and after logging in, the "HAL Upgrade Required" dialog shows up again. Seems like it's caught in an endless loop.
0
 
LVL 42

Expert Comment

by:kevinhsieh
ID: 34185619
You can try to use the Windows Installer Cleanup Utility to remove the Integration Services from the Windows Installer Database and rerun the installation. I would have a backup of the VM before doing that. Another option is to try to redo the P2V conversion.
0
 

Author Comment

by:ozjonno
ID: 34185821
Given that disk2vhd isn't really a P2V tool, could you suggest some other app to achieve that?
0
 
LVL 42

Accepted Solution

by:
kevinhsieh earned 2000 total points
ID: 34185878
Use System Center Virtual Machine Manager if you have it. If not, here's a post that suggests using a 15 day free trial of some Acronis software.

http://williamfaulkner.co.uk/2009/01/easy-physical-to-virtual-p2v-for-hyper-v/
0

Featured Post

New feature and membership benefit!

New feature! Upgrade and increase expert visibility of your issues with Priority Questions.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

#Citrix #Citrix Netscaler #HTTP Compression #Load Balance
This article will explain How to fix Broken backup chain in Veeam Backup & Replication.
In this video tutorial I show you the main steps to install and configure  a VMware ESXi6.0 server. The video has my comments as text on the screen and you can pause anytime when needed. Hope this will be helpful. Verify that your hardware and BIO…
Video by: ITPro.TV
In this episode Don builds upon the troubleshooting techniques by demonstrating how to properly monitor a vSphere deployment to detect problems before they occur. He begins the show using tools found within the vSphere suite as ends the show demonst…

885 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question