remote exec-server registration requires ChatGPT authenticat

Error message

remote exec-server registration requires ChatGPT authentication or API key authentication; run `codex login` or set CODEX_API_KEY

What it means

Error "remote exec-server registration requires ChatGPT authentication or API key authentication; run `codex login` or set CODEX_API_KEY" thrown in openai/codex.

Source

Thrown at codex-rs/cli/src/main.rs:2109

    }
    Ok(builder.build().await?)
}

async fn load_exec_server_remote_auth(
    config: &codex_core::config::Config,
    missing_auth_error: &'static str,
) -> anyhow::Result<(Arc<AuthManager>, codex_login::CodexAuth)> {
    let auth_manager =
        AuthManager::shared_from_config(config, /*enable_codex_api_key_env*/ true).await?;

    let auth = match auth_manager.auth().await {
        Some(auth) => auth,
        None => {
            auth_manager.reload().await;
            auth_manager
                .auth()
                .await
                .ok_or_else(|| anyhow::anyhow!(missing_auth_error))?
        }
    };

    Ok((auth_manager, auth))
}

async fn enable_feature_in_config(feature: &str) -> anyhow::Result<()> {
    FeatureToggles::validate_feature(feature)?;
    let codex_home = find_codex_home()?;
    ConfigEditsBuilder::new(&codex_home)
        .set_feature_enabled(feature, /*enabled*/ true)
        .apply()
        .await?;
    println!("Enabled feature `{feature}` in config.toml.");
    maybe_print_under_development_feature_warning(&codex_home, feature);
    Ok(())
}

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/cli/src/main.rs:2109 when the library encounters an invalid state.

Common situations: See trigger scenarios.

Understand the failure class

Authentication and authorization failures — expired tokens, bad credentials, and missing scopes.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/eee9b68b92226391. Report an issue: GitHub.