Driver IRQL Not Less or Equal (lsi_sas.sys) error crashes VMs during Win10 Install

Jigs Gaton

Jigs Gaton

Product Expert
I am getting this crash whenever I try to upgrade any Windows 8.1 VM to Windows 10. No matter what install media I use and no matter what device I am on, I get the same error. I can however create new VMs from scratch, but that is NOT what I want to do :) Can anyone here help? Thx!
Jigs
 

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Hi, Please refer http://kb.parallels.com/122884 and for installing a 64-bit version of Windows 10 please make sure your virtual machine has at least 2GB of RAM assigned. To check virtual machine's RAM please open configuration menu -> Hardware tab -> CPU & Memory. To increase the memory you would need to shut down your virtual machine.
 
Were you ever able to work this out? I'm getting the same error. My VM is set to 4GB and I'm trying to run the upgrade as specified in the parallels knowledgebase.
 
Try upgrading using the steps given below:
- Take a snapshot.
- Run SFC /scannow in elevated command prompt and check for errors. [If there are any errors reported at the end of this scan, please proceed with the following steps but we cannot assure a successful upgrade to Windows 10]
- Check your virtual machine is a 32 bit or 64 bit as per http://windows.microsoft.com/en-IN/windows7/find-out-32-or-64-bit
- Please run the 32 bit tool http://go.microsoft.com/fwlink/?LinkId=616935 if your virtual machine runs 32 bit or run the 64 bit tool http://go.microsoft.com/fwlink/?LinkId=616936 if your virtual machine runs 64 bit
- On the two options, select the second one [Upgrade a different computer] and click next.
- On the two options, select the second one [ISO file] and click next.
- Save the file on your desktop.
- Connect the ISO file to the virtual machine as per http://kb.parallels.com/8638
- Open File explorer and go to 'This PC' and then run Windows 10 from the mounted file.
- Proceed on with the installation
 
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