Window 11 failed to start in Hyper-V after I deleted the ~.iso install file


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whale11

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I have been running Windows 11 inHyper-V (under Windows 10) for some months. Last week it refused to load stating that is could not find the original ~.iso file I used to install Windows 11. I had deleted the file. I found another copy on the ~.iso file and restored it to the original location. Windows 11 virtual machine then loaded successfully.

Why does Windows need the original install ~.iso to load once it's installed?
 
Windows Build/Version
Windows 10 (21H2 - 19044.3086) Professional with Hyper-V tryping to re-start Windows 11 (22H2 - 22621.2428) Professional.

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whale11 said:
I have been running Windows 11 inHyper-V (under Windows 10) for some months. Last week it refused to load stating that is could not find the original ~.iso file I used to install Windows 11. I had deleted the file. I found another copy on the ~.iso file and restored it to the original location. Windows 11 virtual machine then loaded successfully.

Why does Windows need the original install ~.iso to load once it's installed?
Click to expand...
Answer is really simple - just remove the dvd from settings.

What you have done by not deleting it is equivalent to leaving a dvd drive with a dvd disk in.

1702137242107.png
 

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Windows 11 Pro + Win11 Canary VM.I9 13th gen i9-13900H 2.60 GHZ16 GB solderedIntegrated Intel Iris XE
OS
Windows 11 Pro + Win11 Canary VM.
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Laptop
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ASUS Zenbook 14
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I9 13th gen i9-13900H 2.60 GHZ
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Yep, Laptop has one.
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laptop OLED screen
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TPM 2.0, 2xUSB4 thunderbolt, 1xUsb3 (usb a), 1xUsb-c, hdmi out, 3.5 mm audio out/in combo, ASUS backlit trackpad (inc. switchable number pad)

Macrium Reflect Home V8
Office 365 Family (6 users each 1TB onedrive space)
Hyper-V (a vm runs almost as fast as my older laptop)
OAT said:
It would not be required if you used Win 11 natively as a host OS.
But since you are running Win 10, many things need to be installed in order for the guest to run.
Rather than using more space, it re-creates on the fly a working OS by picking the pieces it needs from the .iso file.
When you shut down the VM, it flushes RAM and storage.
Click to expand...
I'm sorry this is not true at all.
It is not like a live linux OS at all.
Hyper-v boots from an iso, like it would from a dvd or usb drive, and installs PERMANENTLY in a virtual hard drive in exactly the same was as installing on a host drive.
 
Last edited:

My Computer My Computer

At a glance

Windows 11 Pro + Win11 Canary VM.I9 13th gen i9-13900H 2.60 GHZ16 GB solderedIntegrated Intel Iris XE
OS
Windows 11 Pro + Win11 Canary VM.
Computer type
Laptop
Manufacturer/Model
ASUS Zenbook 14
CPU
I9 13th gen i9-13900H 2.60 GHZ
Motherboard
Yep, Laptop has one.
Memory
16 GB soldered
Graphics Card(s)
Integrated Intel Iris XE
Sound Card
Realtek built in
Monitor(s) Displays
laptop OLED screen
Screen Resolution
2880x1800 touchscreen
Hard Drives
1 TB NVME SSD (only weakness is only one slot)
PSU
Internal + 65W thunderbolt USB4 charger
Case
Yep, got one
Cooling
Stella Artois (UK pint cans - 568 ml) - extra cost.
Keyboard
Built in UK keybd
Mouse
Bluetooth , wireless dongled, wired
Internet Speed
900 mbs (ethernet), wifi 6 typical 350-450 mb/s both up and down
Browser
Edge
Antivirus
Defender
Other Info
TPM 2.0, 2xUSB4 thunderbolt, 1xUsb3 (usb a), 1xUsb-c, hdmi out, 3.5 mm audio out/in combo, ASUS backlit trackpad (inc. switchable number pad)

Macrium Reflect Home V8
Office 365 Family (6 users each 1TB onedrive space)
Hyper-V (a vm runs almost as fast as my older laptop)
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