Virtual machine connection failed

Google Cloud Nightscout » Connection Failed

You may experience a connection failed error.

That will be an expected error after a reboot. You are remotely connected to a virtual computer. When you reboot that computer, you cannot still be connected to it.
Wait 30 seconds; then, click on retry to reconnect.

You may even experience the error unexpectedly.
Wait 30 seconds; then, click on retry to reconnect. Reboot the server. Now, you will experience the same error. But, this time it is expected. Wait 30 seconds and click on Retry.