The current Sandbox VM image (which uses Docker internally) needs a few alterations to work with this guide (namely, the Docker sandbox container needs to have ports 16000 and 16020 forwarded within the VM - in addition to the host-> VM forwarding described in this article): Once you have adjusted VM port forwarding (step #2), login to the VM as root using the console (not ssh, as ssh will log you into the container not the VM) docker stop sandbox docker rm sandbox edit /root/startup_scripts/start_sandbox.sh add ‘-p 16000:16000 \’ add ‘-p 16020:16020 \’ restart the VM to get clean environment startup This should clear up any Timeout issues you have been experiencing while trying to connect SQuirreL to Phoenix. ... View more