Why a failback machine doesn't start

A failback machine fails to start

Challenge

A failback machine doesn't start while the following the message ”Invalid guestid in Configinfo” appears instead.  




Cause

This issue may happen if there are different versions of ESXi installed on the target and on the source.

Usually, this behavior happens if the version, specified in the machine config file, is missing on the target ESXi host.

Solution

Take the following steps to fix the error:

1. Go to the machine on your ESXi, click the "Actions" button, and choose "Upgrade VM Compatibility". 



2. Choose the last version of the ESXi and click the "Upgrade" button.