We've set "vmfolder" as /MyFolder/MyDC/vm/juju-root to try to workaround the issue.
Then, we got:
19:32:40 DEBUG juju.provider.vmware client.go:121 relative folderPath "/MyFolder/MyDC/vm/juju-root" found, join with DC vm folder "/MyDC/vm" now
19:32:40 ERROR juju.cmd.juju.commands bootstrap.go:782 failed to bootstrap model: folder path "/MyDC/vm/MyFolder/MyDC/vm/juju-root" not found
So "/MyFolder/MyDC/vm/juju-root" wasn't recognized as an absolute path.
We've set "vmfolder" as /MyFolder/ MyDC/vm/ juju-root to try to workaround the issue.
Then, we got:
19:32:40 DEBUG juju.provider. vmware client.go:121 relative folderPath "/MyFolder/ MyDC/vm/ juju-root" found, join with DC vm folder "/MyDC/vm" now juju.commands bootstrap.go:782 failed to bootstrap model: folder path "/MyDC/ vm/MyFolder/ MyDC/vm/ juju-root" not found
19:32:40 ERROR juju.cmd.
So "/MyFolder/ MyDC/vm/ juju-root" wasn't recognized as an absolute path.