We've just introduced a troubleshooting tool to help understand the cause of a failed connection to an AWS virtual machine. 

In the Heropa workspace, if an AWS VM is disconnected, you'll now see a 'Status check' button.

Selecting this will run a backend status check, returning vital information from the AWS API to assist in understanding why the VM is disconnected. 

This includes a status check, system and instance checks, and a console screenshot. 

See Troubleshooting VM connections.