There's no more UP/MP HAL as of Vista/2008+

Thanks,
Brian Desmond
[email protected]

c   - 312.731.3132

From: Ziots, Edward [mailto:[email protected]]
Sent: Thursday, August 26, 2010 11:01 AM
To: NT System Admin Issues
Subject: RE: Decrease number of CPUs in Windows?

I don't believe so,

Spin up a test VM, upgrade the processors to (2) or more it turns to Multi Proc 
when you look at Processors in Device Manager, then shutdown the VM remove a 
processor, it will still show a Multi processor in Device manager ( It should, 
I haven't tested) and Windows should load.

Z

Edward E. Ziots
CISSP, Network +, Security +
Network Engineer
Lifespan Organization
Email:[email protected]
Cell:401-639-3505

From: Jeff Bunting [mailto:[email protected]]
Sent: Thursday, August 26, 2010 11:57 AM
To: NT System Admin Issues
Subject: Decrease number of CPUs in Windows?

I'm curious, would decreasing the number of processors in a multi-processor vm 
cause a problem with Windows? I'm not talking about multi to uni processor 
changes, only multi to multi, like from 4 to 2 (or 8 to 4).  I googled around a 
bit, but haven't found any info; most articles only discuss increasing cpus.  
If Windows is OK with a switch like that, how about ESX?

Jeff









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