diff --git a/core/client/routes/application.js b/core/client/routes/application.js
index ebe265ef15..f06756bd7f 100644
--- a/core/client/routes/application.js
+++ b/core/client/routes/application.js
@@ -25,7 +25,12 @@ var ApplicationRoute = Ember.Route.extend(SimpleAuth.ApplicationRouteMixin, Shor
         },
 
         sessionAuthenticationFailed: function (error) {
-            this.notifications.showError(error.message);
+            if (error.errors) {
+                this.notifications.showErrors(error.errors);
+            } else {
+                // connection errors don't return proper status message, only req.body
+                this.notifications.showError('There was a problem on the server.');
+            }
         },
 
         sessionAuthenticationSucceeded: function () {
diff --git a/core/server/errors/index.js b/core/server/errors/index.js
index 5c29d052a5..81afd19c00 100644
--- a/core/server/errors/index.js
+++ b/core/server/errors/index.js
@@ -286,15 +286,25 @@ errors = {
             }
             errors.renderErrorPage(err.status || 500, err, req, res, next);
         } else {
-            // generate a valid JSON response
             var statusCode = 500,
-                errorContent = {};
+                returnErrors = [];
 
-            statusCode = err.code || 500;
+            if (!_.isArray(err)) {
+                err = [].concat(err);
+            }
 
-            errorContent.message = _.isString(err) ? err : (_.isObject(err) ? err.message : 'Unknown Error');
-            errorContent.type = err.type || 'InternalServerError';
-            res.json(statusCode, errorContent);
+            _.each(err, function (errorItem) {
+                var errorContent = {};
+
+                statusCode = errorItem.code || 500;
+
+                errorContent.message = _.isString(errorItem) ? errorItem :
+                    (_.isObject(errorItem) ? errorItem.message : 'Unknown Error');
+                errorContent.type = errorItem.type || 'InternalServerError';
+                returnErrors.push(errorContent);
+            });
+
+            res.json(statusCode, {errors: returnErrors});
         }
     }
 };