diff --git a/openstackclient/api/auth.py b/openstackclient/api/auth.py
index 9fb26e7100..1d50f92ca3 100644
--- a/openstackclient/api/auth.py
+++ b/openstackclient/api/auth.py
@@ -149,7 +149,9 @@ def check_valid_auth_options(options, auth_plugin_name):
         if (not options.auth.get('project_id', None) and not
                 options.auth.get('domain_id', None) and not
                 options.auth.get('domain_name', None) and not
-                options.auth.get('project_name', None)):
+                options.auth.get('project_name', None) and not
+                options.auth.get('tenant_id', None) and not
+                options.auth.get('tenant_name', None)):
             msg += _('Set a scope, such as a project or domain, with '
                      '--os-project-name, OS_PROJECT_NAME or auth.project_name')
     elif auth_plugin_name.endswith('token'):
diff --git a/openstackclient/common/clientmanager.py b/openstackclient/common/clientmanager.py
index 85e367c41c..6311c71a50 100644
--- a/openstackclient/common/clientmanager.py
+++ b/openstackclient/common/clientmanager.py
@@ -139,6 +139,7 @@ class ClientManager(object):
         # PROJECT_DOMAIN_ID to 'OS_DEFAULT_DOMAIN' for better usability.
         if (self._api_version.get('identity') == '3' and
             not self._auth_params.get('project_domain_id', None) and
+            not self.auth_plugin_name.startswith('v2') and
                 not self._auth_params.get('project_domain_name', None)):
             self._auth_params['project_domain_id'] = default_domain
 
@@ -147,6 +148,7 @@ class ClientManager(object):
         # to 'OS_DEFAULT_DOMAIN' for better usability.
         if (self._api_version.get('identity') == '3' and
             self.auth_plugin_name.endswith('password') and
+            not self.auth_plugin_name.startswith('v2') and
             not self._auth_params.get('user_domain_id', None) and
                 not self._auth_params.get('user_domain_name', None)):
             self._auth_params['user_domain_id'] = default_domain
diff --git a/openstackclient/shell.py b/openstackclient/shell.py
index da985cbc4b..ab732dad4b 100644
--- a/openstackclient/shell.py
+++ b/openstackclient/shell.py
@@ -234,6 +234,23 @@ class OpenStackShell(app.App):
             cloud_config.set_default('auth_type', 'osc_password')
         self.log.debug("options: %s", self.options)
 
+        project_id = getattr(self.options, 'project_id', None)
+        project_name = getattr(self.options, 'project_name', None)
+        tenant_id = getattr(self.options, 'tenant_id', None)
+        tenant_name = getattr(self.options, 'tenant_name', None)
+
+        # handle some v2/v3 authentication inconsistencies by just acting like
+        # both the project and tenant information are both present. This can
+        # go away if we stop registering all the argparse options together.
+        if project_id and not tenant_id:
+            self.options.tenant_id = project_id
+        if project_name and not tenant_name:
+            self.options.tenant_name = project_name
+        if tenant_id and not project_id:
+            self.options.project_id = tenant_id
+        if tenant_name and not project_name:
+            self.options.project_name = tenant_name
+
         # Do configuration file handling
         cc = cloud_config.OpenStackConfig()
         self.log.debug("defaults: %s", cc.defaults)