diff --git a/apps/emqx_management/src/emqx_mgmt_data_backup.erl b/apps/emqx_management/src/emqx_mgmt_data_backup.erl
index 6e467a8ba..4aa66b0fc 100644
--- a/apps/emqx_management/src/emqx_mgmt_data_backup.erl
+++ b/apps/emqx_management/src/emqx_mgmt_data_backup.erl
@@ -237,10 +237,12 @@ import_resource(#{<<"id">> := Id,
                                        config => Config,
                                        created_at => NCreatedAt,
                                        description => Desc}).
+
 import_resources_and_rules(Resources, Rules, FromVersion)
   when FromVersion =:= "4.0" orelse
        FromVersion =:= "4.1" orelse
-       FromVersion =:= "4.2" ->
+       FromVersion =:= "4.2" orelse
+       FromVersion =:= "4.3" ->
     Configs = lists:foldl(fun compatible_version/2 , [], Resources),
     lists:foreach(fun(#{<<"actions">> := Actions} = Rule) ->
                       NActions = apply_new_config(Actions, Configs),
@@ -305,6 +307,17 @@ compatible_version(#{<<"id">> := ID,
     {ok, _Resource} = import_resource(Resource#{<<"config">> := Cfg}),
     NHeaders = maps:put(<<"content-type">>, ContentType, covert_empty_headers(Headers)),
     [{ID, #{headers => NHeaders, method => Method}} | Acc];
+
+compatible_version(#{<<"id">> := ID,
+                     <<"type">> := Type,
+                     <<"config">> := Config} = Resource, Acc)
+    when Type =:= <<"backend_mongo_single">>
+    orelse Type =:= <<"backend_mongo_sharded">>
+    orelse Type =:= <<"backend_mongo_rs">> ->
+    NewConfig = maps:merge(#{<<"srv_record">> => false}, Config),
+    {ok, _Resource} = import_resource(Resource#{<<"config">> := NewConfig}),
+    [{ID, NewConfig} | Acc];
+
 % normal version
 compatible_version(Resource, Acc) ->
     {ok, _Resource} = import_resource(Resource),
@@ -511,16 +524,39 @@ import_modules(Modules) ->
         undefined ->
             ok;
         _ ->
-           lists:foreach(fun(#{<<"id">> := Id,
-                               <<"type">> := Type,
-                               <<"config">> := Config,
-                               <<"enabled">> := Enabled,
-                               <<"created_at">> := CreatedAt,
-                               <<"description">> := Description}) ->
-                            _ = emqx_modules:import_module({Id, any_to_atom(Type), Config, Enabled, CreatedAt, Description})
-                         end, Modules)
+            NModules = migrate_modules(Modules),
+            lists:foreach(fun(#{<<"id">> := Id,
+                                <<"type">> := Type,
+                                <<"config">> := Config,
+                                <<"enabled">> := Enabled,
+                                <<"created_at">> := CreatedAt,
+                                <<"description">> := Description}) ->
+                              _ = emqx_modules:import_module({Id, any_to_atom(Type), Config, Enabled, CreatedAt, Description})
+                          end, NModules)
     end.
 
+migrate_modules(Modules) ->
+    migrate_modules(Modules, []).
+
+migrate_modules([], Acc) ->
+    lists:reverse(Acc);
+migrate_modules([#{<<"type">> := <<"mongo_authentication">>,
+                   <<"config">> := Config} = Module | More], Acc) ->
+    WMode = case maps:get(<<"w_mode">>, Config, <<"unsafe">>) of
+                <<"undef">> -> <<"unsafe">>;
+                Other -> Other
+            end,
+    RMode = case maps:get(<<"r_mode">>, Config, <<"master">>) of
+                <<"undef">> -> <<"master">>;
+                <<"slave-ok">> -> <<"slave_ok">>;
+                Other0 -> Other0
+            end,
+    NConfig = Config#{<<"srv_record">> => false,
+                      <<"w_mode">> => WMode,
+                      <<"r_mode">> => RMode},
+    migrate_modules(More, [Module#{<<"config">> => NConfig} | Acc]);
+migrate_modules([Module | More], Acc) ->
+    migrate_modules(More, [Module | Acc]).
 
 import_schemas(Schemas) ->
     case ets:info(emqx_schema) of
diff --git a/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE.erl b/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE.erl
new file mode 100644
index 000000000..3a697a17d
--- /dev/null
+++ b/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE.erl
@@ -0,0 +1,68 @@
+%%--------------------------------------------------------------------
+%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%%     http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%--------------------------------------------------------------------
+
+-module(emqx_mongo_auth_module_migration_SUITE).
+
+-compile(export_all).
+-compile(nowarn_export_all).
+
+-include_lib("eunit/include/eunit.hrl").
+
+-ifdef(EMQX_ENTERPRISE).
+-include_lib("emqx_modules/include/emqx_modules.hrl").
+-endif.
+
+all() ->
+    emqx_ct:all(?MODULE).
+
+-ifdef(EMQX_ENTERPRISE).
+
+init_per_suite(Config) ->
+    application:load(emqx_modules_spec),
+    emqx_ct_helpers:start_apps([emqx_management, emqx_modules]),
+    Config.
+
+end_per_suite(_Config) ->
+    emqx_ct_helpers:stop_apps([emqx_modules, emqx_management]),
+    application:unload(emqx_modules_spec),
+    ok.
+
+t_import_4_2(Config) ->
+    ?assertMatch(ok, import("e4.2.8.json", Config)),
+    timer:sleep(100),
+
+    MongoAuthNModule = emqx_modules_registry:find_module_by_type(mongo_authentication),
+    ?assertNotEqual(not_found, MongoAuthNModule),
+    ?assertMatch(#module{config = #{<<"srv_record">> := _}}, MongoAuthNModule),
+    delete_modules().
+
+t_import_4_3(Config) ->
+    ?assertMatch(ok, import("e4.3.5.json", Config)),
+    timer:sleep(100),
+
+    MongoAuthNModule = emqx_modules_registry:find_module_by_type(mongo_authentication),
+    ?assertNotEqual(not_found, MongoAuthNModule),
+    ?assertMatch(#module{config = #{<<"srv_record">> := _}}, MongoAuthNModule),
+    delete_modules().
+
+import(File, Config) ->
+    Filename = filename:join(proplists:get_value(data_dir, Config), File),
+    emqx_mgmt_data_backup:import(Filename, "{}").
+
+delete_modules() ->
+    [emqx_modules_registry:remove_module(Mod) || Mod <-  emqx_modules_registry:get_modules()].
+
+-endif.
diff --git a/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE_data/e4.2.8.json b/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE_data/e4.2.8.json
new file mode 100644
index 000000000..0ea956a93
--- /dev/null
+++ b/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE_data/e4.2.8.json
@@ -0,0 +1 @@
+{"version":"4.2","date":"2021-11-15 01:52:40","modules":[{"id":"module:79002e0f","type":"retainer","config":{"storage_type":"ram","max_retained_messages":0,"max_payload_size":"1MB","expiry_interval":0},"enabled":true,"created_at":1636941076704,"description":""},{"id":"module:34834081","type":"presence","config":{"qos":0},"enabled":true,"created_at":1636941076704,"description":""},{"id":"module:f6eb69d1","type":"recon","config":{},"enabled":true,"created_at":1636941076704,"description":""},{"id":"module:7ae737b2","type":"mongo_authentication","config":{"w_mode":"undef","verify":false,"type":"single","super_query_selector":"","super_query_field":"","super_query_collection":"","ssl":false,"server":"127.0.0.1:27017","r_mode":"undef","pool_size":8,"password":"public","login":"admin","keyfile":{"filename":"","file":""},"database":"mqtt","certfile":{"filename":"","file":""},"cacertfile":{"filename":"","file":""},"auth_source":"admin","auth_query_selector":"username=%u","auth_query_password_hash":"sha256","auth_query_password_field":"password","auth_query_collection":"mqtt_user","acl_query_selectors":[],"acl_query_collection":"mqtt_acl"},"enabled":false,"created_at":1636941148794,"description":""},{"id":"module:e8c63201","type":"internal_acl","config":{"acl_rule_file":"etc/acl.conf"},"enabled":true,"created_at":1636941076704,"description":""}],"rules":[],"resources":[],"blacklist":[],"apps":[{"id":"admin","secret":"public","name":"Default","desc":"Application user","status":true,"expired":"undefined"}],"users":[{"username":"admin","password":"qP5m2iS9qnn51gHoGLbaiMo/GwE=","tags":"administrator"}],"auth_mnesia":[],"acl_mnesia":[],"schemas":[],"configs":[],"listeners_state":[]}
\ No newline at end of file
diff --git a/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE_data/e4.3.5.json b/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE_data/e4.3.5.json
new file mode 100644
index 000000000..48828a9c0
--- /dev/null
+++ b/apps/emqx_management/test/emqx_mongo_auth_module_migration_SUITE_data/e4.3.5.json
@@ -0,0 +1 @@
+{"version":"4.3","rules":[],"resources":[],"blacklist":[],"apps":[{"id":"admin","secret":"public","name":"Default","desc":"Application user","status":true,"expired":"undefined"}],"users":[{"username":"admin","password":"/mWV4UgV0xmVUZX4qdIXQvxXZB0=","tags":"administrator"}],"auth_mnesia":[],"acl_mnesia":[],"modules":[{"id":"module:5881add2","type":"mongo_authentication","config":{"w_mode":"undef","verify":false,"type":"single","super_query_selector":"","super_query_field":"","super_query_collection":"","ssl":false,"server":"127.0.0.1:27017","r_mode":"undef","pool_size":8,"password":"public","login":"admin","keyfile":{"filename":"","file":""},"database":"mqtt","certfile":{"filename":"","file":""},"cacertfile":{"filename":"","file":""},"auth_source":"admin","auth_query_selector":"username=%u","auth_query_password_hash":"sha256","auth_query_password_field":"password","auth_query_collection":"mqtt_user","acl_query_selectors":[],"acl_query_collection":"mqtt_acl"},"enabled":false,"created_at":1636942609573,"description":""},{"id":"module:2adb6480","type":"presence","config":{"qos":0},"enabled":true,"created_at":1636942586725,"description":""},{"id":"module:24fabe8a","type":"internal_acl","config":{"acl_rule_file":"etc/acl.conf"},"enabled":true,"created_at":1636942586725,"description":""},{"id":"module:22c70ab8","type":"recon","config":{},"enabled":true,"created_at":1636942586725,"description":""},{"id":"module:a59f9a4a","type":"retainer","config":{"storage_type":"ram","max_retained_messages":0,"max_payload_size":"1MB","expiry_interval":0},"enabled":true,"created_at":1636942586725,"description":""}],"schemas":[],"configs":[],"listeners_state":[],"date":"2021-11-15 10:16:56"}
\ No newline at end of file