diff --git a/arm-datalake-analytics/catalog/2015-10-01-preview/swagger/catalog.json b/arm-datalake-analytics/catalog/2015-10-01-preview/swagger/catalog.json
index 3142f183a18a..750204870cc3 100644
--- a/arm-datalake-analytics/catalog/2015-10-01-preview/swagger/catalog.json
+++ b/arm-datalake-analytics/catalog/2015-10-01-preview/swagger/catalog.json
@@ -2889,7 +2889,7 @@
     "adlaCatalogDnsSuffixInPath": {
       "name": "adlaCatalogDnsSuffix",
       "in": "path",
-      "required": false,
+      "required": true,
       "type": "string",
       "default": "azuredatalakeanalytics.net",
       "x-ms-skip-url-encoding": true,
diff --git a/arm-datalake-analytics/job/2015-11-01-preview/swagger/job.json b/arm-datalake-analytics/job/2015-11-01-preview/swagger/job.json
index 434e9daa544b..3c8f237ffbd5 100644
--- a/arm-datalake-analytics/job/2015-11-01-preview/swagger/job.json
+++ b/arm-datalake-analytics/job/2015-11-01-preview/swagger/job.json
@@ -1005,7 +1005,7 @@
     "adlaJobDnsSuffixInPath": {
       "name": "adlaJobDnsSuffix",
       "in": "path",
-      "required": false,
+      "required": true,
       "type": "string",
       "default": "azuredatalakeanalytics.net",
       "x-ms-skip-url-encoding": true,
diff --git a/arm-datalake-store/filesystem/2015-10-01-preview/swagger/filesystem.json b/arm-datalake-store/filesystem/2015-10-01-preview/swagger/filesystem.json
index ea927cc4eb51..5c59fa84f987 100644
--- a/arm-datalake-store/filesystem/2015-10-01-preview/swagger/filesystem.json
+++ b/arm-datalake-store/filesystem/2015-10-01-preview/swagger/filesystem.json
@@ -1418,7 +1418,7 @@
     "adlsFilesystemDnsSuffixInPath": {
       "name": "adlsFileSystemDnsSuffix",
       "in": "path",
-      "required": false,
+      "required": true,
       "type": "string",
       "default": "azuredatalakestore.net",
       "x-ms-skip-url-encoding": true,