# server unavailable

`TNL_SERVER_UNAVAILABLE`

the selected server is unavailable or did not respond in time.

the server did not respond

```text
+--[ where it stopped ]----------------------------------------+
|                                                              |
|  tnl                                                         |
|     |                                                        |
|     v                                                        |
|  control API or authority API                                |
|     |                                                        |
|     x  unavailable                                           |
|  operation (not completed)                                   |
|                                                              |
+--------------------------------------------------------------+
```

## what happened

- a network connection or the server is temporarily unavailable
- the selected control URL points to the wrong server

## if you run tnl

- verify `--server` or `TNL_SERVER` and network connectivity
- retry with backoff; if self-hosted, check control and authority health

help: https://tnl.dev/e/server-unavailable