diff --git a/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_03_31/operations/managed_clusters_operations.py b/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_03_31/operations/managed_clusters_operations.py
index 2d343b2b4e60..54be1cf99208 100644
--- a/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_03_31/operations/managed_clusters_operations.py
+++ b/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_03_31/operations/managed_clusters_operations.py
@@ -133,7 +133,7 @@ def internal_paging(next_link=None, raw=False):
                 url = self.list_by_resource_group.metadata['url']
                 path_format_arguments = {
                     'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str')
+                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1)
                 }
                 url = self._client.format_url(url, **path_format_arguments)
 
@@ -203,7 +203,7 @@ def get_upgrade_profile(
         url = self.get_upgrade_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -272,7 +272,7 @@ def get_access_profile(
         url = self.get_access_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str'),
             'roleName': self._serialize.url("role_name", role_name, 'str')
         }
@@ -339,7 +339,7 @@ def list_cluster_admin_credentials(
         url = self.list_cluster_admin_credentials.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -405,7 +405,7 @@ def list_cluster_user_credentials(
         url = self.list_cluster_user_credentials.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -470,7 +470,7 @@ def get(
         url = self.get.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -517,7 +517,7 @@ def _create_or_update_initial(
         url = self.create_or_update.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -626,7 +626,7 @@ def _update_tags_initial(
         url = self.update_tags.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -728,7 +728,7 @@ def _delete_initial(
         url = self.delete.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -811,7 +811,7 @@ def _reset_service_principal_profile_initial(
         url = self.reset_service_principal_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -919,7 +919,7 @@ def _reset_aad_profile_initial(
         url = self.reset_aad_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
diff --git a/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_08_01_preview/operations/managed_clusters_operations.py b/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_08_01_preview/operations/managed_clusters_operations.py
index f3435aca1511..964a1db3ec96 100644
--- a/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_08_01_preview/operations/managed_clusters_operations.py
+++ b/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_08_01_preview/operations/managed_clusters_operations.py
@@ -133,7 +133,7 @@ def internal_paging(next_link=None, raw=False):
                 url = self.list_by_resource_group.metadata['url']
                 path_format_arguments = {
                     'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str')
+                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1)
                 }
                 url = self._client.format_url(url, **path_format_arguments)
 
@@ -203,7 +203,7 @@ def get_upgrade_profile(
         url = self.get_upgrade_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -272,7 +272,7 @@ def get_access_profile(
         url = self.get_access_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str'),
             'roleName': self._serialize.url("role_name", role_name, 'str')
         }
@@ -339,7 +339,7 @@ def list_cluster_admin_credentials(
         url = self.list_cluster_admin_credentials.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -405,7 +405,7 @@ def list_cluster_user_credentials(
         url = self.list_cluster_user_credentials.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -471,7 +471,7 @@ def get(
         url = self.get.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -518,7 +518,7 @@ def _create_or_update_initial(
         url = self.create_or_update.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -627,7 +627,7 @@ def _update_tags_initial(
         url = self.update_tags.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -729,7 +729,7 @@ def _delete_initial(
         url = self.delete.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -812,7 +812,7 @@ def _reset_service_principal_profile_initial(
         url = self.reset_service_principal_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -920,7 +920,7 @@ def _reset_aad_profile_initial(
         url = self.reset_aad_profile.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
diff --git a/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_09_30_preview/operations/open_shift_managed_clusters_operations.py b/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_09_30_preview/operations/open_shift_managed_clusters_operations.py
index 7f53be02ce37..7380f2c0b443 100644
--- a/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_09_30_preview/operations/open_shift_managed_clusters_operations.py
+++ b/azure-mgmt-containerservice/azure/mgmt/containerservice/v2018_09_30_preview/operations/open_shift_managed_clusters_operations.py
@@ -136,7 +136,7 @@ def internal_paging(next_link=None, raw=False):
                 url = self.list_by_resource_group.metadata['url']
                 path_format_arguments = {
                     'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str')
+                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1)
                 }
                 url = self._client.format_url(url, **path_format_arguments)
 
@@ -207,7 +207,7 @@ def get(
         url = self.get.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -254,7 +254,7 @@ def _create_or_update_initial(
         url = self.create_or_update.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -364,7 +364,7 @@ def _update_tags_initial(
         url = self.update_tags.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)
@@ -467,7 +467,7 @@ def _delete_initial(
         url = self.delete.metadata['url']
         path_format_arguments = {
             'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
-            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
+            'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str', min_length=1),
             'resourceName': self._serialize.url("resource_name", resource_name, 'str')
         }
         url = self._client.format_url(url, **path_format_arguments)