Solved Cannot create a new VM on Hyper-V


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vett93

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I have Ubuntu 22.04LTS on the Hyper-V of my laptop and want to add another VM running Ubuntu 24.04LTS. But it gives me the following error messages. Any suggestions on how I can debug it? Thanks.
1720208644480.png
 

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I assume you need to create another "Virtual disk" for the 2nd OS. As for installing the OS I'd create a standard ISO image of the Ubuntu install and set to boot from that .

If you want to run these as concurrent VM's then you need to create a separate VM to your Ist one rather than 2 virtual disks in a single VM.

Hyper-V is usually pretty good these days even installing Linux VM's provided you don't hose up the virtual hardware.

My beef is still that even on TYPE-2 VM's there's only IDE and SCSI for the main disk controllers.

Cheers
jimbo
 

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vett93 said:
I have Ubuntu 22.04LTS on the Hyper-V of my laptop and want to add another VM running Ubuntu 24.04LTS. But it gives me the following error messages. Any suggestions on how I can debug it? Thanks.
View attachment 100714
Click to expand...
This happens because you get a limited time to access iso, and part of that os eaten up by loading of iso.

When you get message, select reset and the you can boot from iso.

Also, you need to ensure iso is first in boot order from hyperV settings.
 

My Computer

System One

  • OS
    Windows 11 Pro + Win11 Canary VM.
    Computer type
    Laptop
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    ASUS Zenbook 14
    CPU
    I9 13th gen i9-13900H 2.60 GHZ
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    Yep, Laptop has one.
    Memory
    16 GB soldered
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    laptop OLED screen
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    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)
I used Hyper-V to create 1st Ubuntu 22.04LTS VM. Created OK. Shut down VM.
I used Hyper-V to create a 2nd Ubuntu 22.04LTS VM. This time after the VM booted I get a boot failure error. Shut down VM.
Now if I try to boot either the originally good 1st VM or the 2nd VM I get the same boot failure error.

1720373184511.png

I went back and realized that each one was really a live version and not really installed. Each one failed because the ISO file had been disconnected.

I went back and really installed each one. At the end of the install the ISO was automatically disconnected. This time I could boot each one or both with no problem.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2
    Computer type
    Laptop
    Manufacturer/Model
    ASUS TUF Gaming A15 (2022)
    CPU
    AMD Ryzen 7 6800H with Radeon 680M GPU (486MB RAM)
    Memory
    Crucial DDR5-4800 (2400MHz) 32GB (2 x 16GB)
    Graphics Card(s)
    NVIDIA RTX 3060 Laptop (6GB RAM)
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    15.6-inch
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    1920x1080 300Hz
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    2 x Samsung 990 Evo Plus (2TB M.2 NVME SSD)
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    Windows 11 Pro 24H2
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    Custom build
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    AMD Ryzen 7 5700X3D
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    ASUS ROG Strix B550-F Gaming WiFi II
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    Samsung S23A300B (23-in LED)
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    1080p 60Hz
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    2000 Mbps down / 300 Mbps up
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    Malwarebytes (Premium)
    Other Info
    ASUS Blu-ray Burner BW-16D1HT (SATA) || Western Digital Easystore 20TB USB 3.0 external hard drive used with Acronis True Image 2025 backup software || HP OfficeJet Pro 6975 Printer/Scanner
I finally figured out what happened. Somehow the iso file was not loaded in the Hyper-V Manager during new VM creation time. It works fine now. Thanks everyone.

One reason I like Hyper-V is that it has Type-1 hypervisor. I tried Virtualbox and VMWare Workstation before, but couldn't stand how slow they worked.....
 

My Computers

System One System Two

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Corsair Vengeance i7400
    CPU
    Intel i9-13900K
    Motherboard
    MSI Pro Z690-A WiFi DDR5
    Memory
    64GB DDR5-5600
    Graphics Card(s)
    4090
    Monitor(s) Displays
    BenQ PD3200U
    Screen Resolution
    4K
    Hard Drives
    2TB SSD
    PSU
    Corsair 1000W 80+ Gold
    Cooling
    water cooled CPU and air cooled GPU
    Internet Speed
    1200 Mbps down and 40 Mbps up
    Antivirus
    Windows Defender
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    ASUS ROG Zephyrus M16
    CPU
    Intel i9-13900H
    Memory
    64GB
    Graphics card(s)
    Nvidia 4070 mobile
    Hard Drives
    1TB SSD
vett93 said:
I finally figured out what happened. Somehow the iso file was not loaded in the Hyper-V Manager during new VM creation time. It works fine now. Thanks everyone.

One reason I like Hyper-V is that it has Type-1 hypervisor. I tried Virtualbox and VMWare Workstation before, but couldn't stand how slow they worked.....
Click to expand...
Glad you got it fixed.

Why not mark problem as solved -- makes it a lot easier for others looking for solutions to similar problems to see how others have solved it.

(O.T BTW - but I'd prefer using Type 2 VM's on HYPER-V any day -- but as always YMMV).

I'm less and less enthousiatic on VmWare these days even if VmWare WKS is now free - but again people's choice of software is up to them.

Cheers
jimbo
 

My Computer

System One

  • OS
    Windows XP,7,10,11 Linux Arch Linux
    Computer type
    PC/Desktop
    CPU
    2 X Intel i7
jimbo45 said:
Glad you got it fixed.

Why not mark problem as solved -- makes it a lot easier for others looking for solutions to similar problems to see how others have solved it.

(O.T BTW - but I'd prefer using Type 2 VM's on HYPER-V any day -- but as always YMMV).

I'm less and less enthousiatic on VmWare these days even if VmWare WKS is now free - but again people's choice of software is up to them.

Cheers
jimbo
Click to expand...
You are muddling Generation 2 vms with Type 2 hypervisors.

Hyper-V is a type 1 hypervisor but can run Generation 1 vms (legacy bios) and Generation 2 vms (Uefi)

VMware, VBox are type 2 Hypervisors and can run legacy bios or uefi vms.

As @vett93 says, Hyper-V is much faster than the type 2 hypervisors in general.
 

My Computer

System One

  • 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)
cereberus said:
You are muddling Generation 2 vms with Type 2 hypervisors.

Hyper-V is a type 1 hypervisor but can run Generation 1 vms (legacy bios) and Generation 2 vms (Uefi)

VMware, VBox are type 2 Hypervisors and can run legacy bios or uefi vms.

As @vett93 says, Hyper-V is much faster than the type 2 hypervisors in general.
Click to expand...
Hi there
I meant Gen 2 VM's !!!!!!!

actually KVM BTW (also a type 1 hypervisor)can run legacy bios or UEFI VM's -- no prob at all for instance running XP as a VM.

However for Windows Hosts HYPER-V seem to have improved very much over the last couple of years

You *might* find this interesting though.

storware.eu

KVM vs. Hyper-V: What Are the Differences? | Storware BLOG

Learn the differences and similarities between Hyper-V and KVM hypervisors. Check which one suits your business better.
storware.eu storware.eu

Cheers
jimbo
 

My Computer

System One

  • OS
    Windows XP,7,10,11 Linux Arch Linux
    Computer type
    PC/Desktop
    CPU
    2 X Intel i7
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