diff --git a/tempest/lib/common/rest_client.py b/tempest/lib/common/rest_client.py
index b656b7a546..b360569dcc 100644
--- a/tempest/lib/common/rest_client.py
+++ b/tempest/lib/common/rest_client.py
@@ -881,6 +881,11 @@ class RestClient(object):
                 resp_body = self._parse_resp(resp_body)
             raise exceptions.Gone(resp_body, resp=resp)
 
+        if resp.status == 406:
+            if parse_resp:
+                resp_body = self._parse_resp(resp_body)
+            raise exceptions.NotAcceptable(resp_body, resp=resp)
+
         if resp.status == 409:
             if parse_resp:
                 resp_body = self._parse_resp(resp_body)
diff --git a/tempest/lib/exceptions.py b/tempest/lib/exceptions.py
index dd7885e014..0242de2e12 100644
--- a/tempest/lib/exceptions.py
+++ b/tempest/lib/exceptions.py
@@ -94,6 +94,11 @@ class NotFound(ClientRestClientException):
     message = "Object not found"
 
 
+class NotAcceptable(ClientRestClientException):
+    status_code = 406
+    message = "Not Acceptable"
+
+
 class Conflict(ClientRestClientException):
     status_code = 409
     message = "Conflict with state of target resource"