Windows & BSOD · high

How to fix Hyper-V virtual machine memory overcommit crash

Error code: HYPER-V-MEM-OVERCOMMIT

What this error means

A Hyper-V VM crashes or Windows host becomes unresponsive due to memory overcommitment.

Updated

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Enable Dynamic Memory for the VM in Hyper-V Manager
  1. Enable Dynamic Memory for the VM in Hyper-V Manager
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
02Reduce the VM startup RAM
  1. Reduce the VM startup RAM
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Close memory-intensive host applications
  1. Close memory-intensive host applications
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Total VM RAM allocation exceeds host physical RAM
  • Dynamic memory not configured
  • Host running other memory-heavy processes simultaneously