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--- virtualisation:proxmox_ve:vms_cts:vm_best_practices_modern_setup [2026/04/23 08:28] – updated VM CPU recommendations thum
+++ virtualisation:proxmox_ve:vms_cts:vm_best_practices_modern_setup [2026/05/05 14:59] (current) – adding tl;dr for Windows guests thum
@@ Line 3: / Line 3: @@
 Recommended settings for creating new VMs on Proxmox VE 9.x with modern guest operating systems.
-===== TL;DR / Quick Reference =====
+===== TL;DR / Quick Reference for Linux Guests=====
 ^ Component ^ Setting ^
@@ Line 19: / Line 19: @@
 | Allow KSM | ✅ |
+===== TL;DR / Quick Reference for Windows Guests =====
+^ Component ^ Setting ^
+| Machine | ''q35'' |
+| BIOS | ''OVMF (UEFI)'' |
+| TPM | ''v2.0'' (required for Win11 / Server 2025) |
+| SCSI Controller | ''VirtIO SCSI single'' |
+| Discard | ✅ |
+| SSD Emulation | ✅ |
+| IO Thread | ✅ |
+| Cache | ''Write back'' (better performance for Windows than ''no cache'' (but also data loss risk when power outage)) |
+| Async IO (Ceph) | ''native'' |
+| Skip Replication | ❌ |
+| Network | ''VirtIO'' (requires VirtIO driver ISO) |
+| CPU Type | ''x86-64-v3-AES'' :!: do NOT use ''host'' (triggers VBS/Core Isolation in Windows) |
+| Allow KSM | ✅ |
+| QEMU Guest Agent | ✅ (install via ''virtio-win-guest-tools.exe'') |
+| VirtIO Driver ISO | ✅ (attach as 2nd CD-ROM during installation) |
 ====== Details ======