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windows virtual pc

Posted on 2013-06-30
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i booted by iso image and got error

ERROR; Processor speed 2 MHz is insufficient. At least 790Mhz is required
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Question by:techp
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12 Comments
 
LVL 30

Expert Comment

by:ded9
ID: 39287976
Looks like you dont have virtualization enabled in bios . Enable it. Run a test on memory .

You can also edit the processor value...just follow the registry changes ..ignore the rest.

http://www.howto-outlook.com/otherprograms/virtualpcprocessor.htm



Would recommend vmware player free has more features or virtualbox



Ded9
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LVL 98

Accepted Solution

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John Hurst earned 2000 total points
ID: 39288112
I use VMware Workstation 9 for this and my XP guests work just fine. VMware Player works as noted above (and is free), but VMware Workstation is top of class and offers all the flexibility you need.

... Thinkpads_User
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Author Comment

by:techp
ID: 39288400
vmware player is working . but whole system became slow . how to reduce processor speed in vmware player
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LVL 98

Expert Comment

by:John Hurst
ID: 39288415
In the Virtual Machine settings, look at Memory. Make sure the guest is not taking too much memory as that will slow down the system. For XP, it should work with 512Mb but the guest will  be slow.

Your machine should have the max 3 Gb if a 32-bit machine and 4 Gb if a 64-bit machine. Then you can allot 1 Gb for XP and the guest will work fine with that.

 Make sure under Processors that the guest is set for only 1 CPU.

Otherwise, CPU utilization is automatic.

.... Thinkpads_User
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Author Comment

by:techp
ID: 39288428
windows 7 with windows 7 virtual
memory 4g virtual 1g
cpu 1
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LVL 98

Expert Comment

by:John Hurst
ID: 39288437
Make sure the VMware Tools are installed the guest machine. I don't think Tools affect speed, but you should try it.

You can try changing the hardware version of the guest. You may need Workstation to do this and be sure to back up the machine first. Going to a newer hardware version may improve the speed of the guest machine.

You may have an error in the guest machine. Try making a new guest machine to see if a new machine works properly.

..... Thinkpads_User
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LVL 30

Expert Comment

by:ded9
ID: 39289060
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LVL 18

Expert Comment

by:Mike T
ID: 39294400
Hi,

Are you using Microsoft Virtual PC 2007?? I ask because your question doesn't mention VMware until other expert did and then you query the speed before stating the MS spec again.

Also, are you using a custom OS ISO created by ISO, or an original MSDN/TechNet one?

Mike
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LVL 98

Expert Comment

by:John Hurst
ID: 39294410
Mike - the picture attached above shows VMware Player is being used.

.... Thinkpads_User
0
 

Author Comment

by:techp
ID: 39300359
hello mike

 iso created by  microsoft deployment tool

 testing both microsoft virtual pc and vmplayer
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LVL 18

Expert Comment

by:Mike T
ID: 39302222
Hi,

I thought it sounded familiar...

VirtualPC 2007 has a bug that reports the CPU speed as 2-4MHz. The default requirement is 800MHz, so the deployment will fail at the “Validate” step. To fix this, enter the minimum speed as 12 (MHz), and un-tick the check box. (See page 7 of the release notes).
 FYI: ZTIBIOS checks the BIOS against a BIOS blacklist, ztibioscheck.xml.

Ref: http://4sysops.com/archives/mdt-workbench-and-windows-deployment/  (step 4)

Mike
Using the ISO in any VM will fail because the source ISO is wrong, so for once it's not the tool at fault.
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LVL 98

Expert Comment

by:John Hurst
ID: 39325062
@techp - Thank you, and I was happy to help. Good luck with VMware Workstation/Player. They work just fine.

... Thinkpads_User
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