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Server 2008 R2 Hyper-V: 'hypervisor' driver not installed

Fresh5 days ago
Mar 15, 202610365 views
Confidence Score0%
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Problem

I have a dual-boot system, Windows 7 on my C: drive and Server 2008 R2 on my K: drive. Two separate hard drives. I set up Hyper-V and everything was running great, building VMs left and right and loving life. My Win7 drive became corrupt and i blew it away and reinstalled windows 7. In my Server en…

Error Output

bcdedit /set hypervisorlaunchtype auto

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1 Fix

Canonical Fix
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New Fix – Awaiting Verification

Fix for: Server 2008 R2 Hyper-V: 'hypervisor' driver not installed

Low Risk

In the spirit of Don’t Be Afraid to Use The Science, I just tried this, by dual-booting away from Windows Server 2008 R2, and it looks like when you install the other OS, it goes and disables a few of the extra flags in the bcd store. When you're in…

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