VM unable to upgrade to window 11

gmailTommy Lv1Posted Nov-09-2025 21:33



current vm guest unable to upgrade to window 11.
May I know whether the issue is related to the hypervisor host CPU model which may affect the vm being upgrade to window 11 ?  

AimanHakim has solved this question and earned 20 coins.

Posting a reply earns you 2 coins. An accepted reply earns you 20 coins and another 10 coins for replying within 10 minutes. (Expired) What is Coin?

Enter your mobile phone number and company name for better service. Go

(In reply to gmailTommy)
Hi, u can try the least to see what happens, Even if changing to the enable cpu from host, it won't affect the VM functionality. So if u succeed it then good. If not, well it's time u need to consider replace a new node with new cpu series. Unless your server motherboard is able to change the cpu model into the latest series.
Is this answer helpful?
AimanHakim Lv2Posted Nov-09-2025 22:42
  
Hi there, u need to enable cpu from host in the edit settings for cpu to bypass cpu windows restriction. Of course VM will need to be restart when applied the new settings.
Samir91 Lv1Posted Nov-13-2025 11:06
  
Check the compatibility settings of the VM and make sure it is set to support the latest version of Windows 11
net_specialist Lv1Posted Nov-13-2025 13:29
  
Yes, the hypervisor host CPU model can absolutely affect whether a Windows 11 upgrade is possible for a VM guest. Here’s why:
Windows 11 Requirements
Windows 11 enforces strict hardware requirements, including:

TPM 2.0 (Trusted Platform Module)
Secure Boot
CPU compatibility (must be on Microsoft’s supported CPU list)

Impact of Hypervisor and Host CPU


CPU Compatibility Pass-through

Most hypervisors (VMware, Hyper-V, etc.) expose the host CPU features to the guest VM. If the host CPU is older and not on Microsoft’s supported list (e.g., lacks certain instruction sets like SSE4.2 or doesn’t meet generation requirements), the VM will also fail the compatibility check.



TPM and Secure Boot

Even if the CPU is fine, the VM needs a virtual TPM and UEFI with Secure Boot enabled. These are hypervisor settings, not host CPU features, but they often go hand-in-hand with newer hardware.



Nested Virtualization or Emulation

Some hypervisors allow CPU masking or emulation to present a newer CPU model to the VM, but this is limited and can impact performance.

How to Check

On the VM, run PC Health Check or Get-WindowsUpdateLog for upgrade errors.
Compare your host CPU model against https://learn.microsoft.com/en-u ... essor-requirements.

I Can Help:

Change

Board Leaders

NyxZale...

Weekly Sharers

Newbie5...

Weekly Questioners