diff --git a/src/routes/apps.js b/src/routes/apps.js
index 4acbbf0db..f737e3c2f 100644
--- a/src/routes/apps.js
+++ b/src/routes/apps.js
@@ -154,7 +154,7 @@ function installApp(req, res, next) {
         if (error && error.reason === AppsError.BAD_FIELD) return next(new HttpError(400, error.message));
         if (error && error.reason === AppsError.BILLING_REQUIRED) return next(new HttpError(402, error.message));
         if (error && error.reason === AppsError.BAD_CERTIFICATE) return next(new HttpError(400, error.message));
-        if (error && error.reason === AppsError.EXTERNAL_ERROR) return next(new HttpError(503, error.message));
+        if (error && error.reason === AppsError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
         if (error) return next(new HttpError(500, error));
 
         next(new HttpSuccess(202, app));
@@ -270,7 +270,7 @@ function backupApp(req, res, next) {
     apps.backup(req.params.id, function (error) {
         if (error && error.reason === AppsError.NOT_FOUND) return next(new HttpError(404, 'No such app'));
         if (error && error.reason === AppsError.BAD_STATE) return next(new HttpError(409, error.message));
-        if (error && error.reason === AppsError.EXTERNAL_ERROR) return next(new HttpError(503, error));
+        if (error && error.reason === AppsError.EXTERNAL_ERROR) return next(new HttpError(424, error));
         if (error) return next(new HttpError(500, error));
 
         next(new HttpSuccess(202, { }));
diff --git a/src/routes/backups.js b/src/routes/backups.js
index df6f5739f..1135a008b 100644
--- a/src/routes/backups.js
+++ b/src/routes/backups.js
@@ -24,7 +24,7 @@ function get(req, res, next) {
     if (!perPage || perPage < 0) return next(new HttpError(400, 'per_page query param has to be a postive number'));
 
     backups.getByStatePaged(backupdb.BACKUP_STATE_NORMAL, page, perPage, function (error, result) {
-        if (error && error.reason === BackupsError.EXTERNAL_ERROR) return next(new HttpError(503, error.message));
+        if (error && error.reason === BackupsError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
         if (error) return next(new HttpError(500, error));
 
         next(new HttpSuccess(200, { backups: result }));
diff --git a/src/routes/mail.js b/src/routes/mail.js
index 2cd35b562..9767ddbbf 100644
--- a/src/routes/mail.js
+++ b/src/routes/mail.js
@@ -88,7 +88,7 @@ function setDnsRecords(req, res, next) {
 
     mail.setDnsRecords(req.params.domain, function (error) {
         if (error && error.reason === MailError.NOT_FOUND) return next(new HttpError(404, error.message));
-        if (error && error.reason === MailError.EXTERNAL_ERROR) return next(new HttpError(503, error.message));
+        if (error && error.reason === MailError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
         if (error) return next(new HttpError(500, error));
 
         next(new HttpSuccess(201));
diff --git a/src/routes/settings.js b/src/routes/settings.js
index eb918273d..c1fd342e4 100644
--- a/src/routes/settings.js
+++ b/src/routes/settings.js
@@ -169,7 +169,7 @@ function setBackupConfig(req, res, next) {
 
     settings.setBackupConfig(req.body, function (error) {
         if (error && error.reason === SettingsError.BAD_FIELD) return next(new HttpError(400, error.message));
-        if (error && error.reason === SettingsError.EXTERNAL_ERROR) return next(new HttpError(402, error.message));
+        if (error && error.reason === SettingsError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
         if (error) return next(new HttpError(500, error));
 
         next(new HttpSuccess(200, {}));
@@ -197,7 +197,7 @@ function setPlatformConfig(req, res, next) {
 
     settings.setPlatformConfig(req.body, function (error) {
         if (error && error.reason === SettingsError.BAD_FIELD) return next(new HttpError(400, error.message));
-        if (error && error.reason === SettingsError.EXTERNAL_ERROR) return next(new HttpError(402, error.message));
+        if (error && error.reason === SettingsError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
         if (error) return next(new HttpError(500, error));
 
         next(new HttpSuccess(200, {}));
@@ -225,7 +225,7 @@ function setAppstoreConfig(req, res, next) {
 
     settings.setAppstoreConfig(options, function (error) {
         if (error && error.reason === SettingsError.BAD_FIELD) return next(new HttpError(400, error.message));
-        if (error && error.reason === SettingsError.EXTERNAL_ERROR) return next(new HttpError(406, error.message));
+        if (error && error.reason === SettingsError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
         if (error) return next(new HttpError(500, error));
 
         settings.getAppstoreConfig(function (error, result) {
diff --git a/src/routes/setup.js b/src/routes/setup.js
index d61f2014b..686a4b74f 100644
--- a/src/routes/setup.js
+++ b/src/routes/setup.js
@@ -54,7 +54,7 @@ function setupTokenAuth(req, res, next) {
     caas.verifySetupToken(req.query.setupToken, function (error) {
         if (error && error.reason === CaasError.BAD_STATE) return next(new HttpError(409, 'Already setup'));
         if (error && error.reason === CaasError.INVALID_TOKEN) return next(new HttpError(401, 'Invalid token'));
-        if (error && error.reason === CaasError.EXTERNAL_ERROR) return next(new HttpError(503, error.message));
+        if (error && error.reason === CaasError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
 
         if (error) return next(new HttpError(500, error));
 
@@ -120,7 +120,7 @@ function activate(req, res, next) {
         caas.setupDone(req.query.setupToken, function (error) {
             if (error && error.reason === CaasError.BAD_STATE) return next(new HttpError(409, 'Already setup'));
             if (error && error.reason === CaasError.INVALID_TOKEN) return next(new HttpError(401, 'Invalid token'));
-            if (error && error.reason === CaasError.EXTERNAL_ERROR) return next(new HttpError(503, error.message));
+            if (error && error.reason === CaasError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
 
             if (error) return next(new HttpError(500, error));
 
@@ -147,7 +147,7 @@ function restore(req, res, next) {
         if (error && error.reason === SetupError.ALREADY_SETUP) return next(new HttpError(409, error.message));
         if (error && error.reason === SetupError.BAD_FIELD) return next(new HttpError(400, error.message));
         if (error && error.reason === SetupError.BAD_STATE) return next(new HttpError(409, error.message));
-        if (error && error.reason === SetupError.EXTERNAL_ERROR) return next(new HttpError(402, error.message));
+        if (error && error.reason === SetupError.EXTERNAL_ERROR) return next(new HttpError(424, error.message));
         if (error) return next(new HttpError(500, error));
 
         next(new HttpSuccess(200));