From eb5d4f61bf3d89877aef4e358526f6cd6e370b51 Mon Sep 17 00:00:00 2001
From: "A. Jesse Jiryu Davis" <jesse@mongodb.com>
Date: Mon, 10 Nov 2014 19:48:42 -0500
Subject: [PATCH] Note that mongos does not support copydb with auth.

---
 pymongo/mongo_client.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pymongo/mongo_client.py b/pymongo/mongo_client.py
index da96a8421..a40b44cca 100644
--- a/pymongo/mongo_client.py
+++ b/pymongo/mongo_client.py
@@ -1405,6 +1405,10 @@ class MongoClient(common.BaseObject):
         MongoDB 2.8 and later, MONGODB-CR (MongoDB Challenge Response
         protocol) for older servers.
 
+        .. note:: mongos does not support copying a database from a server
+           with authentication, see
+           `SERVER-6427 <https://jira.mongodb.org/browse/SERVER-6427>`_.
+
         :Parameters:
           - `from_name`: the name of the source database
           - `to_name`: the name of the target database