Since upgrading my test lab to ovirt 4.2 I can't get ovirt-provider-ovn to work. From ovirt-provider-ovn.log: 2017-11-14 00:40:15,795 Request: POST : /v2.0///tokens 2017-11-14 00:40:15,795 Request body: { "auth" : { "passwordCredentials" : { "username" : "admin@internal", "password" : "xxxxxxxxx" } } } 2017-11-14 00:40:15,819 Starting new HTTPS connection (1): h2-int 2017-11-14 00:40:20,829 "POST /ovirt-engine/sso/oauth/token HTTP/1.1" 400 118 2017-11-14 00:40:20,830 Error during SSO authentication Cannot authenticate user 'admin@internal': The username or password is incorrect.. : access_deniedNone Traceback (most recent call last): File "/usr/share/ovirt-provider-ovn/handlers/base_handler.py", line 119, in _handle_request method, path_parts, content) File "/usr/share/ovirt-provider-ovn/handlers/selecting_handler.py", line 177, in handle_request handler, content, parameters File "/usr/share/ovirt-provider-ovn/handlers/keystone.py", line 28, in call_response_handler return response_handler(content, parameters) File "/usr/share/ovirt-provider-ovn/handlers/keystone_responses.py", line 58, in post_tokens user_password=user_password) File "/usr/share/ovirt-provider-ovn/auth/plugin_facade.py", line 26, in create_token return auth.core.plugin.create_token(user_at_domain, user_password) File "/usr/share/ovirt-provider-ovn/auth/plugins/ovirt/plugin.py", line 48, in create_token timeout=self._timeout()) File "/usr/share/ovirt-provider-ovn/auth/plugins/ovirt/sso.py", line 62, in create_token username, password, engine_url, ca_file, timeout) File "/usr/share/ovirt-provider-ovn/auth/plugins/ovirt/sso.py", line 54, in wrapper _check_for_error(response) File "/usr/share/ovirt-provider-ovn/auth/plugins/ovirt/sso.py", line 168, in _check_for_error result['error'], details)) Unauthorized: Error during SSO authentication Cannot authenticate user 'admin@internal': The username or password is incorrect.. : access_deniedNone And in engine.log: 2017-11-14 00:40:20,828+01 ERROR [org.ovirt.engine.core.sso.utils.SsoUtils] (default task-16) [] OAuthException access_denied: Cannot authenticate user 'admin@internal': The username or password is incorrect.. The password in the request is the same as used to log in to the admin portal and works fine there. /Sverker