diff --git a/maxctrl/CMakeLists.txt b/maxctrl/CMakeLists.txt
index 3105cb14e..67fe828e0 100644
--- a/maxctrl/CMakeLists.txt
+++ b/maxctrl/CMakeLists.txt
@@ -3,6 +3,9 @@ if (BUILD_MAXCTRL)
   find_package(NodeJS)
 
   if (NPM_FOUND AND NODEJS_FOUND AND NODEJS_VERSION VERSION_GREATER "6.0.0")
+
+    configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lib/version.js.in ${CMAKE_CURRENT_BINARY_DIR}/lib/version.js @ONLY)
+
     add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/maxctrl/maxctrl
       COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/build.sh ${CMAKE_SOURCE_DIR}
       WORKING_DIRECTORY ${CMAKE_BINARY_DIR})
diff --git a/maxctrl/lib/core.js b/maxctrl/lib/core.js
index 491c82361..2c92eac13 100644
--- a/maxctrl/lib/core.js
+++ b/maxctrl/lib/core.js
@@ -14,7 +14,9 @@
 var fs = require('fs')
 var program = require('yargs');
 
-const maxctrl_version = '1.0.0';
+// Note: The version.js file is generated at configuation time. If you are
+// building in-source, manually create the file
+const maxctrl_version = require('./version.js').version;
 
 program
     .version(maxctrl_version)
diff --git a/maxctrl/lib/version.js.in b/maxctrl/lib/version.js.in
new file mode 100644
index 000000000..33a73eab9
--- /dev/null
+++ b/maxctrl/lib/version.js.in
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2016 MariaDB Corporation Ab
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
+ *
+ * Change Date: 2020-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2 or later of the General
+ * Public License.
+ */
+
+exports.version = "@MAXSCALE_VERSION@"
diff --git a/maxscale-system-test/CMakeLists.txt b/maxscale-system-test/CMakeLists.txt
index 859bbaca9..60fdd9a11 100644
--- a/maxscale-system-test/CMakeLists.txt
+++ b/maxscale-system-test/CMakeLists.txt
@@ -1019,6 +1019,10 @@ add_test_executable(mxs1926_killed_server.cpp mxs1926_killed_server mxs1926_kill
 # https://jira.mariadb.org/browse/MXS-1932
 add_test_executable(mxs1932_hidden_cnf.cpp mxs1932_hidden_cnf replication LABELS REPL_BACKEND)
 
+# MXS-1949: Warning for user load failure logged even when service has no users
+# https://jira.mariadb.org/browse/MXS-1949
+add_test_executable(mxs1949_warn_user_injection.cpp mxs1949_warn_user_injection avro LABELS REPL_BACKEND)
+
 # MXS-1958: Users with insert-only privileges don't work
 # https://jira.mariadb.org/browse/MXS-1958
 add_test_executable(mxs1958_insert_priv.cpp mxs1958_insert_priv replication LABELS REPL_BACKEND)
diff --git a/maxscale-system-test/mxs1949_warn_user_injection.cpp b/maxscale-system-test/mxs1949_warn_user_injection.cpp
new file mode 100644
index 000000000..9be520f1f
--- /dev/null
+++ b/maxscale-system-test/mxs1949_warn_user_injection.cpp
@@ -0,0 +1,15 @@
+/**
+ * MXS-1949: Warning for user load failure logged even when service has no users
+ *
+ * Check that the message is not logged when services have no servers and
+ * 'inject_service_user' is enabled.
+ */
+
+#include "testconnections.h"
+
+int main(int argc, char *argv[])
+{
+    TestConnections test(argc, argv);
+    test.check_log_err(0, " No users were loaded but 'inject_service_user' is enabled", false);
+    return test.global_result;
+}
diff --git a/maxscale-system-test/testconnections.cpp b/maxscale-system-test/testconnections.cpp
index 67763cc34..7db015090 100644
--- a/maxscale-system-test/testconnections.cpp
+++ b/maxscale-system-test/testconnections.cpp
@@ -239,6 +239,15 @@ TestConnections::TestConnections(int argc, char *argv[]):
     maxscales->use_ipv6 = use_ipv6;
     maxscales->ssl = ssl;
 
+    // Stop MaxScale to prevent it from interfering with the replication setup process
+    if (!maxscale::manual_debug)
+    {
+        for (int i = 0; i < maxscales->N; i++)
+        {
+            maxscales->stop(i);
+        }
+    }
+
     if (maxscale::required_repl_version.length())
     {
         int ver_repl_required = get_int_version(maxscale::required_repl_version);
@@ -646,11 +655,6 @@ void TestConnections::init_maxscale(int m)
 {
     const char * template_name = get_template_name(test_name);
 
-    if (!maxscale::manual_debug)
-    {
-        stop_maxscale(m);
-    }
-
     process_template(m, template_name, maxscales->access_homedir[m]);
     maxscales->ssh_node_f(m, true,
                           "cp maxscale.cnf %s;rm -rf %s/certs;mkdir -m a+wrx %s/certs;",
diff --git a/server/core/internal/mlist.h b/server/core/internal/mlist.h
index 0a211add2..f4eeb4117 100644
--- a/server/core/internal/mlist.h
+++ b/server/core/internal/mlist.h
@@ -32,7 +32,7 @@ typedef struct mlist_st
     bool           mlist_deleted;
     size_t         mlist_nodecount;
     size_t         mlist_nodecount_max; /**< size limit. 0 == no limit */
-    size_t         mlist_versno;
+    volatile size_t mlist_versno;
     bool           mlist_flat;
     mlist_node_t*  mlist_first;
     mlist_node_t*  mlist_last;
diff --git a/server/modules/authenticator/MySQLAuth/mysql_auth.cc b/server/modules/authenticator/MySQLAuth/mysql_auth.cc
index 5f2b54f07..4dd536753 100644
--- a/server/modules/authenticator/MySQLAuth/mysql_auth.cc
+++ b/server/modules/authenticator/MySQLAuth/mysql_auth.cc
@@ -576,6 +576,19 @@ static bool add_service_user(SERV_LISTENER *port)
     return rval;
 }
 
+static bool service_has_servers(SERVICE* service)
+{
+    for (SERVER_REF* s = service->dbref; s; s = s->next)
+    {
+        if (s->active)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 /**
  * @brief Load MySQL authentication users
  *
@@ -632,9 +645,12 @@ static int mysql_auth_load_users(SERV_LISTENER *port)
 
     if (injected)
     {
-        MXS_NOTICE("[%s] No users were loaded but 'inject_service_user' is enabled. "
-                   "Enabling service credentials for authentication until "
-                   "database users have been successfully loaded.", service->name);
+        if (service_has_servers(service))
+        {
+            MXS_NOTICE("[%s] No users were loaded but 'inject_service_user' is enabled. "
+                       "Enabling service credentials for authentication until "
+                       "database users have been successfully loaded.", service->name);
+        }
     }
     else if (loaded == 0 && !first_load)
     {