diff --git a/tempest/common/credentials.py b/tempest/common/credentials.py
index 2f7fb73..1ca0128 100644
--- a/tempest/common/credentials.py
+++ b/tempest/common/credentials.py
@@ -26,7 +26,8 @@
 # Dropping interface and password, as they are never used anyways
 # TODO(andreaf) Drop them from the CredentialsProvider interface completely
 def get_isolated_credentials(name, network_resources=None,
-                             force_tenant_isolation=False):
+                             force_tenant_isolation=False,
+                             identity_version=None):
     # If a test requires a new account to work, it can have it via forcing
     # tenant isolation. A new account will be produced only for that test.
     # In case admin credentials are not available for the account creation,
@@ -34,13 +35,16 @@
     if CONF.auth.allow_tenant_isolation or force_tenant_isolation:
         return isolated_creds.IsolatedCreds(
             name=name,
-            network_resources=network_resources)
+            network_resources=network_resources,
+            identity_version=identity_version)
     else:
         if CONF.auth.locking_credentials_provider:
             # Most params are not relevant for pre-created accounts
-            return accounts.Accounts(name=name)
+            return accounts.Accounts(name=name,
+                                     identity_version=identity_version)
         else:
-            return accounts.NotLockingAccounts(name=name)
+            return accounts.NotLockingAccounts(
+                name=name, identity_version=identity_version)
 
 
 # We want a helper function here to check and see if admin credentials
diff --git a/tempest/test.py b/tempest/test.py
index 7039f4c..19bae74 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -378,17 +378,19 @@
                                                    level=None))
 
     @classmethod
-    def get_client_manager(cls):
+    def get_client_manager(cls, identity_version=None):
         """
         Returns an OpenStack client manager
         """
         force_tenant_isolation = getattr(cls, 'force_tenant_isolation', None)
+        identity_version = identity_version or CONF.identity.auth_version
 
         if (not hasattr(cls, 'isolated_creds') or
             not cls.isolated_creds.name == cls.__name__):
             cls.isolated_creds = credentials.get_isolated_credentials(
                 name=cls.__name__, network_resources=cls.network_resources,
                 force_tenant_isolation=force_tenant_isolation,
+                identity_version=identity_version
             )
 
         creds = cls.isolated_creds.get_primary_creds()