Solved Hyper-V error 0xC03A000E


tecknot

tecknot

living in a van down by the river
Power User
Local time
3:04 PM
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467
OS
Windows 11 Pro 25H2 build 26200.9457
Hello everyone,

I successfully created a new VM with Windows 11 26H2 the other day. This evening I am getting the above error. The VM has been working earlier in the day.

Hyoer-V error 0xC03A000E Synthetic SCSI Controller.webp


I have taken the following steps:

I have tried changing settings for the SCSI Controller. I changed the SCSI Controller location from 0 to 1, but still got the error.

Change SCSI controller location.webp




I've tried changing Media (under SCSI controller) to use with my virtual CD/DVD drive to None and Removed it under SCSI controller.

Media changed to None.webp



I even removed Checkpoints as well as expanding the storage space on VM's partition when I got this error message:

Remove Checkpoints.webp


Hyoer-V error 0xC03A000E Checkpoint and storage required.webp



Does anyone have any suggestion(s) on resolving this error?

Kind regards,

tecknot
 

My Computer My Computer

At a glance

Windows 11 Pro 25H2 build 26200.9457Intel i7 8750H @ 2.2 GHz16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC...Intel UHD Graphics 630 & NVIDIA Quadro P600
OS
Windows 11 Pro 25H2 build 26200.9457
Computer type
Laptop
Manufacturer/Model
Lenovo ThinkPad Workstation P72
CPU
Intel i7 8750H @ 2.2 GHz
Motherboard
Lenovo 01YU291
Memory
16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC) PCIe 3
Graphics Card(s)
Intel UHD Graphics 630 & NVIDIA Quadro P600
Sound Card
Realtek ALC3286 & Focusrite Saffire 24 Pro DSP
Monitor(s) Displays
17.3"
Screen Resolution
3840x2160
Hard Drives
1TB SSD Samsung 860 EVO SATA 3
1TB SSD Samsung 970 EVO M.2 NVMe PCIe 3 x 4
2TB SSD Samsung 990 PRO M.2 NVMe PCIe 3 x 4
PSU
230W
Cooling
fan
Keyboard
UltraNav
Mouse
Kensington wireless Orbit
Internet Speed
640Mbps
Browser
DuckDuckGo and Firefox
Antivirus
Defender
Other Info
CM246 Chipset
What instructions did you follow in taking the actions that you did?
 

My Computer My Computer

At a glance

Windows 11 Pro 26H2
OS
Windows 11 Pro 26H2
Computer type
Laptop
Manufacturer/Model
Toshiba
Antivirus
Defender
Banjoman301 said:
What instructions did you follow in taking the actions that you did?
Click to expand...

Good morning Banjoman301,

I followed these instructions:

techdirectarchive.com

Fix Synthetic SCSI Controller Error on Virtual Machine Startup

Learn how to resolve the 'An error occurred while attempting to start the selected VM' issue caused by Synthetic SCSI Controllers in virtualization.
techdirectarchive.com techdirectarchive.com

Hyper-V issues (multiple issues with VM's) (post No. 7)

And just some trial and error.

Kind regards,

tecknot
 

My Computer My Computer

At a glance

Windows 11 Pro 25H2 build 26200.9457Intel i7 8750H @ 2.2 GHz16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC...Intel UHD Graphics 630 & NVIDIA Quadro P600
OS
Windows 11 Pro 25H2 build 26200.9457
Computer type
Laptop
Manufacturer/Model
Lenovo ThinkPad Workstation P72
CPU
Intel i7 8750H @ 2.2 GHz
Motherboard
Lenovo 01YU291
Memory
16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC) PCIe 3
Graphics Card(s)
Intel UHD Graphics 630 & NVIDIA Quadro P600
Sound Card
Realtek ALC3286 & Focusrite Saffire 24 Pro DSP
Monitor(s) Displays
17.3"
Screen Resolution
3840x2160
Hard Drives
1TB SSD Samsung 860 EVO SATA 3
1TB SSD Samsung 970 EVO M.2 NVMe PCIe 3 x 4
2TB SSD Samsung 990 PRO M.2 NVMe PCIe 3 x 4
PSU
230W
Cooling
fan
Keyboard
UltraNav
Mouse
Kensington wireless Orbit
Internet Speed
640Mbps
Browser
DuckDuckGo and Firefox
Antivirus
Defender
Other Info
CM246 Chipset
Sometimes it's just easier to delete that VM and just start again. Can you post a screenshot of Disk Management?
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Windows 11 Pro 26H2 26300.9711AMD Ryzen 7 5825U with Radeon Graphics16GB
    OS
    Windows 11 Pro 26H2 26300.9711
    Computer type
    Laptop
    Manufacturer/Model
    Acemagic LX15PRO
    CPU
    AMD Ryzen 7 5825U with Radeon Graphics
    Motherboard
    BIOS CT_BI_AMI_LX15PRO_AB8139_A-004
    Memory
    16GB
    Screen Resolution
    1920 x 1080
    Hard Drives
    SSD 2TB
    Internet Speed
    30 Mbps
    Browser
    Brave
    Antivirus
    Webroot SecureAnywhere Complete beta

  • At a glance

    Windows 11 Pro 23H2 22631.2506Atom N450 1.66GHz2GB
    Operating System
    Windows 11 Pro 23H2 22631.2506
    Computer type
    Laptop
    Manufacturer/Model
    HP Mini 210-1090NR PC (bought in late 2009!)
    CPU
    Atom N450 1.66GHz
    Memory
    2GB
    Browser
    Brave
    Antivirus
    Webroot
  • Acer Swift SF114-34 laptop
    OS Windows 11 Pro 26200.8894
    CPU Pentium Silver N6000
    RAM 4GB
    BIOS v1.17
    SSD Samsung 970 EVO Plus SSD 2TB (an upgrade)

My Computer My Computer

At a glance

Windows 11 Pro 25H2 build 26200.9457Intel i7 8750H @ 2.2 GHz16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC...Intel UHD Graphics 630 & NVIDIA Quadro P600
OS
Windows 11 Pro 25H2 build 26200.9457
Computer type
Laptop
Manufacturer/Model
Lenovo ThinkPad Workstation P72
CPU
Intel i7 8750H @ 2.2 GHz
Motherboard
Lenovo 01YU291
Memory
16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC) PCIe 3
Graphics Card(s)
Intel UHD Graphics 630 & NVIDIA Quadro P600
Sound Card
Realtek ALC3286 & Focusrite Saffire 24 Pro DSP
Monitor(s) Displays
17.3"
Screen Resolution
3840x2160
Hard Drives
1TB SSD Samsung 860 EVO SATA 3
1TB SSD Samsung 970 EVO M.2 NVMe PCIe 3 x 4
2TB SSD Samsung 990 PRO M.2 NVMe PCIe 3 x 4
PSU
230W
Cooling
fan
Keyboard
UltraNav
Mouse
Kensington wireless Orbit
Internet Speed
640Mbps
Browser
DuckDuckGo and Firefox
Antivirus
Defender
Other Info
CM246 Chipset
kelper said:
Sometimes it's just easier to delete that VM and just start again. Can you post a screenshot of Disk Management?
Click to expand...

Hi kelper,

I would hate to do that on account I modified the installation greatly (removed unwanted apps, a lot of Group Policy editing, etc.)

Nonetheless, here is a screen shot of my Disk Management:

Disk Management.webp


Kind regards,

tecknot
 

My Computer My Computer

At a glance

Windows 11 Pro 25H2 build 26200.9457Intel i7 8750H @ 2.2 GHz16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC...Intel UHD Graphics 630 & NVIDIA Quadro P600
OS
Windows 11 Pro 25H2 build 26200.9457
Computer type
Laptop
Manufacturer/Model
Lenovo ThinkPad Workstation P72
CPU
Intel i7 8750H @ 2.2 GHz
Motherboard
Lenovo 01YU291
Memory
16 GB (all Samsung) DDR4-3200 SODIMM (non-ECC) PCIe 3
Graphics Card(s)
Intel UHD Graphics 630 & NVIDIA Quadro P600
Sound Card
Realtek ALC3286 & Focusrite Saffire 24 Pro DSP
Monitor(s) Displays
17.3"
Screen Resolution
3840x2160
Hard Drives
1TB SSD Samsung 860 EVO SATA 3
1TB SSD Samsung 970 EVO M.2 NVMe PCIe 3 x 4
2TB SSD Samsung 990 PRO M.2 NVMe PCIe 3 x 4
PSU
230W
Cooling
fan
Keyboard
UltraNav
Mouse
Kensington wireless Orbit
Internet Speed
640Mbps
Browser
DuckDuckGo and Firefox
Antivirus
Defender
Other Info
CM246 Chipset
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