# Connector Self-Test Diagnostic

- Link: https://www.agilicus.com/faq/connector-self-test-diagnostic/
- Published: 2026-06-09T20:56:18+00:00
- Author: Don Bowman

If you are finding errors such as “My devices are offline with the message “Resource
unavailable: on-site connector is down””, or your connector shows down, you may 
try its built-in network selftest.

Run `agilicus-agent test` and observe the output

    ```wp-block-code
    INFO[2026-06-09T16:55:25-04:00] Starting test - version v0.336.1
    --- Preflight Tests ---
    PASS - https://api.agilicus.com/v1/resolve?type=CNAME&name=ca-1.agilicus.ca
    PASS - https://www.agilicus.com/
    --- Overall: PASS ---

    --- Preflight Tests ---
    PASS - local DNS check for agent-server.ca-1.agilicus.ca
    PASS - https://agent-server.ca-1.agilicus.ca/healthz
    PASS - https://agent-server.ca-1.agilicus.ca/healthz @ 34.95.12.47
    PASS - local DNS check for auth.__MY_DOMAIN__
    PASS - https://auth.__MY_DOMAIN__/healthz
    PASS - https://auth.__MY_DOMAIN__/healthz @ 34.95.12.47
    --- Overall: PASS ---
    ```