| Event Id | 40 |
| Source | Microsoft-Windows-Hyper-V-Hypervisor |
| Description | Hyper-V launch failed; the Hyper-V image at %1%2 is revision %3, but the currently installed virtualization software only supports launching revision %4 Hyper-V images. |
| Event Information | According to Microsoft : Cause This event is logged when Hyper-V launch failed; the Hyper-V image is revision, but the currently installed virtualization software only supports launching revision Hyper-V images. Reinstall Hyper-V A possible security compromise has been created. Completely reimage the server (sometimes called a bare metal restoration), install a new operating system, and enable the Hyper-V role. The hypervisor image is unavailable, corrupted, or an incompatible version. Reinstall the Hyper-V role. Verify Hypervisor successfully starts. |
| Reference Links | Event ID 40 from Source Microsoft-Windows-Hyper-V-Hypervisor |
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