diff --git a/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models.py b/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models.py
index e87535d78720..1c2a1bfd24d3 100644
--- a/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models.py
+++ b/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models.py
@@ -183,6 +183,10 @@ class ConfigurationStore(Resource):
     :vartype endpoint: str
     :param encryption: The encryption settings of the configuration store.
     :type encryption: ~azure.mgmt.appconfiguration.models.EncryptionProperties
+    :ivar private_endpoint_connections: private endpoint connections of
+     configuration store
+    :vartype private_endpoint_connections:
+     list[~azure.mgmt.appconfiguration.models.PrivateEndpointConnection]
     :param sku: Required. The sku of the configuration store.
     :type sku: ~azure.mgmt.appconfiguration.models.Sku
     """
@@ -195,6 +199,7 @@ class ConfigurationStore(Resource):
         'provisioning_state': {'readonly': True},
         'creation_date': {'readonly': True},
         'endpoint': {'readonly': True},
+        'private_endpoint_connections': {'readonly': True},
         'sku': {'required': True},
     }
 
@@ -209,6 +214,7 @@ class ConfigurationStore(Resource):
         'creation_date': {'key': 'properties.creationDate', 'type': 'iso-8601'},
         'endpoint': {'key': 'properties.endpoint', 'type': 'str'},
         'encryption': {'key': 'properties.encryption', 'type': 'EncryptionProperties'},
+        'private_endpoint_connections': {'key': 'properties.privateEndpointConnections', 'type': '[PrivateEndpointConnection]'},
         'sku': {'key': 'sku', 'type': 'Sku'},
     }
 
@@ -219,6 +225,7 @@ def __init__(self, **kwargs):
         self.creation_date = None
         self.endpoint = None
         self.encryption = kwargs.get('encryption', None)
+        self.private_endpoint_connections = None
         self.sku = kwargs.get('sku', None)
 
 
@@ -530,8 +537,8 @@ class PrivateEndpointConnection(Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar id: The resource ID.
-    :vartype id: str
+    :param id: The resource ID.
+    :type id: str
     :ivar name: The name of the resource.
     :vartype name: str
     :ivar type: The type of the resource.
@@ -552,7 +559,6 @@ class PrivateEndpointConnection(Model):
     """
 
     _validation = {
-        'id': {'readonly': True},
         'name': {'readonly': True},
         'type': {'readonly': True},
         'provisioning_state': {'readonly': True},
@@ -570,7 +576,7 @@ class PrivateEndpointConnection(Model):
 
     def __init__(self, **kwargs):
         super(PrivateEndpointConnection, self).__init__(**kwargs)
-        self.id = None
+        self.id = kwargs.get('id', None)
         self.name = None
         self.type = None
         self.provisioning_state = None
diff --git a/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models_py3.py b/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models_py3.py
index 78728848a16a..ac65f8c95091 100644
--- a/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models_py3.py
+++ b/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/models/_models_py3.py
@@ -183,6 +183,10 @@ class ConfigurationStore(Resource):
     :vartype endpoint: str
     :param encryption: The encryption settings of the configuration store.
     :type encryption: ~azure.mgmt.appconfiguration.models.EncryptionProperties
+    :ivar private_endpoint_connections: private endpoint connections of
+     configuration store
+    :vartype private_endpoint_connections:
+     list[~azure.mgmt.appconfiguration.models.PrivateEndpointConnection]
     :param sku: Required. The sku of the configuration store.
     :type sku: ~azure.mgmt.appconfiguration.models.Sku
     """
@@ -195,6 +199,7 @@ class ConfigurationStore(Resource):
         'provisioning_state': {'readonly': True},
         'creation_date': {'readonly': True},
         'endpoint': {'readonly': True},
+        'private_endpoint_connections': {'readonly': True},
         'sku': {'required': True},
     }
 
@@ -209,6 +214,7 @@ class ConfigurationStore(Resource):
         'creation_date': {'key': 'properties.creationDate', 'type': 'iso-8601'},
         'endpoint': {'key': 'properties.endpoint', 'type': 'str'},
         'encryption': {'key': 'properties.encryption', 'type': 'EncryptionProperties'},
+        'private_endpoint_connections': {'key': 'properties.privateEndpointConnections', 'type': '[PrivateEndpointConnection]'},
         'sku': {'key': 'sku', 'type': 'Sku'},
     }
 
@@ -219,6 +225,7 @@ def __init__(self, *, location: str, sku, tags=None, identity=None, encryption=N
         self.creation_date = None
         self.endpoint = None
         self.encryption = encryption
+        self.private_endpoint_connections = None
         self.sku = sku
 
 
@@ -530,8 +537,8 @@ class PrivateEndpointConnection(Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar id: The resource ID.
-    :vartype id: str
+    :param id: The resource ID.
+    :type id: str
     :ivar name: The name of the resource.
     :vartype name: str
     :ivar type: The type of the resource.
@@ -552,7 +559,6 @@ class PrivateEndpointConnection(Model):
     """
 
     _validation = {
-        'id': {'readonly': True},
         'name': {'readonly': True},
         'type': {'readonly': True},
         'provisioning_state': {'readonly': True},
@@ -568,9 +574,9 @@ class PrivateEndpointConnection(Model):
         'private_link_service_connection_state': {'key': 'properties.privateLinkServiceConnectionState', 'type': 'PrivateLinkServiceConnectionState'},
     }
 
-    def __init__(self, *, private_link_service_connection_state, private_endpoint=None, **kwargs) -> None:
+    def __init__(self, *, private_link_service_connection_state, id: str=None, private_endpoint=None, **kwargs) -> None:
         super(PrivateEndpointConnection, self).__init__(**kwargs)
-        self.id = None
+        self.id = id
         self.name = None
         self.type = None
         self.provisioning_state = None
diff --git a/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/operations/_private_endpoint_connections_operations.py b/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/operations/_private_endpoint_connections_operations.py
index c7a2614a0c32..19f2a4b6f2c4 100644
--- a/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/operations/_private_endpoint_connections_operations.py
+++ b/sdk/appconfiguration/azure-mgmt-appconfiguration/azure/mgmt/appconfiguration/operations/_private_endpoint_connections_operations.py
@@ -180,9 +180,7 @@ def get(
 
 
     def _create_or_update_initial(
-            self, resource_group_name, config_store_name, private_endpoint_connection_name, private_link_service_connection_state, private_endpoint=None, custom_headers=None, raw=False, **operation_config):
-        private_endpoint_connection = models.PrivateEndpointConnection(private_endpoint=private_endpoint, private_link_service_connection_state=private_link_service_connection_state)
-
+            self, resource_group_name, config_store_name, private_endpoint_connection_name, private_endpoint_connection, custom_headers=None, raw=False, **operation_config):
         # Construct URL
         url = self.create_or_update.metadata['url']
         path_format_arguments = {
@@ -232,7 +230,7 @@ def _create_or_update_initial(
         return deserialized
 
     def create_or_update(
-            self, resource_group_name, config_store_name, private_endpoint_connection_name, private_link_service_connection_state, private_endpoint=None, custom_headers=None, raw=False, polling=True, **operation_config):
+            self, resource_group_name, config_store_name, private_endpoint_connection_name, private_endpoint_connection, custom_headers=None, raw=False, polling=True, **operation_config):
         """Update the state of the specified private endpoint connection
         associated with the configuration store.
 
@@ -244,14 +242,10 @@ def create_or_update(
         :param private_endpoint_connection_name: Private endpoint connection
          name
         :type private_endpoint_connection_name: str
-        :param private_link_service_connection_state: A collection of
-         information about the state of the connection between service consumer
-         and provider.
-        :type private_link_service_connection_state:
-         ~azure.mgmt.appconfiguration.models.PrivateLinkServiceConnectionState
-        :param private_endpoint: The resource of private endpoint.
-        :type private_endpoint:
-         ~azure.mgmt.appconfiguration.models.PrivateEndpoint
+        :param private_endpoint_connection: The private endpoint connection
+         properties.
+        :type private_endpoint_connection:
+         ~azure.mgmt.appconfiguration.models.PrivateEndpointConnection
         :param dict custom_headers: headers that will be added to the request
         :param bool raw: The poller return type is ClientRawResponse, the
          direct response alongside the deserialized response
@@ -271,8 +265,7 @@ def create_or_update(
             resource_group_name=resource_group_name,
             config_store_name=config_store_name,
             private_endpoint_connection_name=private_endpoint_connection_name,
-            private_link_service_connection_state=private_link_service_connection_state,
-            private_endpoint=private_endpoint,
+            private_endpoint_connection=private_endpoint_connection,
             custom_headers=custom_headers,
             raw=True,
             **operation_config