Poor user experience with Windows Server 2025 on Proxmox

[_gabriel]

QEMU graphics settings not being fully optimized, unlike VMware and Nutanix?

Nutanix runs on QEMU. There is no graphic acceleration.
iirc, they have already done some work for Intel CPU :

L

Post in thread 'High VM-EXIT and Host CPU usage on idle with Windows Server 2025'

Mar 6, 2026

It's likely lack of MBEC support:
https://gitlab.com/qemu-project/qemu/-/issues/3099
https://lore.kernel.org/lkml/20251223054806.1611168-1-jon@nutanix.com/

• ltctech