GNS3 - Troubleshooting

GNS3

Troubleshooting

Error

Virtualized Intel VT-x/EPT is not supported on this platform.
Continue without virtualized Intel VT-x/EPT?

VMware Workstation does not support nested virtualization on this host.

Module 'HV' power-on failed.

Failed to start the virtual machine

Resolution

Désactiver l'isolation du noyau Windows : https://gns3.com/virtualized-intel-vt-x-ept-is-not-supported-on-this-platform On peux tester de désactiver hyper-V :

bcdedit /set hypervisorlaunchtype off

Voir aussi ici :

• MEILLEUR SOURCE ICI : https://gns3.com/community/featured/fixing-vt-x-or-amd-v-not-available-in-windows-11-with-vmware-ws-pro-and-player
• https://www.gns3.com/community/discussions/virtualized-intel-vt-x-ept-is-not-supported-on-this-platform-gns3-vm
• https://communities.vmware.com/t5/VMware-Workstation-Pro/Workstation-16-Pro-Error-quot-Virtualized-Intel-VT-x-EPT-is-not/m-p/2866101
• https://kb.vmware.com/s/article/2146361

Etapes clefs :

• Désactivation du "core isolation" de Windows
• Désactiver hyper-V
• Redémarrer le PC
• Désactiver Device Guard :

**Disable Device Guard:**

NOTE 1: This portion may or may not apply depending on Windows version

NOTE 2: MS seems to have disabled the group policy editor in Windows 11 Home, to reenable follow these instructions: [Link](https://www.ghacks.net/2021/11/29/how-to-enable-the-group-policy-editor-on-windows-11-home/) (not affiliated with, sponsored by, or validated by GNS3)

1.  Click: [START]
2.  Type (without quotes): "gpedit.msc"
3.  Press: [ENTER]
4.  Navigate in the left-hand tree: Local Computer Policy > Computer Configuration > Administrative Templates > System > Device Guard
5.  Double-Click on: "Turn on Virtualization Based Security"
6.  Select: "Disable"
7.  Click: "OK"

• Redémarrer le PC
• Réinstaller Workstation 17.0 (parfois nécessaire)
  • Un "Repair" est possible
• Rédémarrer le PC
• Importer VM GNS3
• L'allumer Cela devrait fonctionner

Ajout d'une VM Workstation dans GNS3

https://docs.gns3.com/docs/emulators/adding-vmware-vms-to-gns3-topologies/

Troubleshooting ajout VM

Error while creating link: vnet ethernet0.vnet not in VMX file

Ajouter dans le VMX :