# Adding Host Using Pf9-express Fails

## Problem

Adding a new node using pf9-express fails with the below error:

{% tabs %}
{% tab title="None" %}

```none
The error was: DiscoveryFailure: Could not find versioned identity endpoints when attempting to authenticate. Please check that your auth_url is correct. Not Found (HTTP 404)
```

{% endtab %}
{% endtabs %}

## Environment

* Platform9 Managed OpenStack - v5.0 and Higher
* Pf9-express

## Cause

The ***pf9-express*** utility is using `auth_url` pointing to the *Keystone* v2.0 endpoint, whereas the *Keystone* endpoint is upgraded to the v3.

## Resolution

1. Modify the `auth_url` and try to add the host again using ***pf9-express***:

{% tabs %}
{% tab title="None" %}

```none
- name: Set OS_AUTH fact  set_fact:    os_auth:    auth_url: "{{du_url}}/keystone/v3"      username: "{{os_username}}"      password: "{{os_password}}"      project_name: "{{os_tenant}}"
```

{% endtab %}
{% endtabs %}

## Additional Information

Starting with the Platform9 v5.0 release, the v2.0 *Keystone* endpoint has been removed.


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