Troubleshooting | Test connection fails step 4 when registering Core to Reflect

identify and fix why a core cannot register to Q-SYS Reflect Enterprise Manager

Updated at May 15th, 2024

Affected Products

Hardware Model/Series
Q-SYS Designer

Problem | Symptoms

When performing your test connection in Core manager so you can register your core to Reflect, it fails at Step 4 with the following error message:

Socket hang up

Causes | Verification

This is typically caused by the core-QREM server traffic going through a proxy server.

Solution | Workaround

This issue can typically be resolved by whitelisting traffic through the proxy to and