diff --git a/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/__init__.py b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/__init__.py
index 4d459b370ff8..883d9f88931a 100644
--- a/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/__init__.py
+++ b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/__init__.py
@@ -13,6 +13,7 @@
     from .error_response_py3 import ErrorResponse, ErrorResponseException
     from .canceled_subscription_id_py3 import CanceledSubscriptionId
     from .renamed_subscription_id_py3 import RenamedSubscriptionId
+    from .enabled_subscription_id_py3 import EnabledSubscriptionId
     from .subscription_name_py3 import SubscriptionName
     from .operation_display_py3 import OperationDisplay
     from .operation_py3 import Operation
@@ -31,6 +32,7 @@
     from .error_response import ErrorResponse, ErrorResponseException
     from .canceled_subscription_id import CanceledSubscriptionId
     from .renamed_subscription_id import RenamedSubscriptionId
+    from .enabled_subscription_id import EnabledSubscriptionId
     from .subscription_name import SubscriptionName
     from .operation_display import OperationDisplay
     from .operation import Operation
@@ -58,6 +60,7 @@
     'ErrorResponse', 'ErrorResponseException',
     'CanceledSubscriptionId',
     'RenamedSubscriptionId',
+    'EnabledSubscriptionId',
     'SubscriptionName',
     'OperationDisplay',
     'Operation',
diff --git a/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/enabled_subscription_id.py b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/enabled_subscription_id.py
new file mode 100644
index 000000000000..9d89dbf7b89d
--- /dev/null
+++ b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/enabled_subscription_id.py
@@ -0,0 +1,35 @@
+# coding=utf-8
+# --------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+#
+# Code generated by Microsoft (R) AutoRest Code Generator.
+# Changes may cause incorrect behavior and will be lost if the code is
+# regenerated.
+# --------------------------------------------------------------------------
+
+from msrest.serialization import Model
+
+
+class EnabledSubscriptionId(Model):
+    """The ID of the subscriptions that is being enabled.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    :ivar value: The ID of the subscriptions that is being enabled
+    :vartype value: str
+    """
+
+    _validation = {
+        'value': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'value': {'key': 'value', 'type': 'str'},
+    }
+
+    def __init__(self, **kwargs):
+        super(EnabledSubscriptionId, self).__init__(**kwargs)
+        self.value = None
diff --git a/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/enabled_subscription_id_py3.py b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/enabled_subscription_id_py3.py
new file mode 100644
index 000000000000..518bec55116e
--- /dev/null
+++ b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/models/enabled_subscription_id_py3.py
@@ -0,0 +1,35 @@
+# coding=utf-8
+# --------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+#
+# Code generated by Microsoft (R) AutoRest Code Generator.
+# Changes may cause incorrect behavior and will be lost if the code is
+# regenerated.
+# --------------------------------------------------------------------------
+
+from msrest.serialization import Model
+
+
+class EnabledSubscriptionId(Model):
+    """The ID of the subscriptions that is being enabled.
+
+    Variables are only populated by the server, and will be ignored when
+    sending a request.
+
+    :ivar value: The ID of the subscriptions that is being enabled
+    :vartype value: str
+    """
+
+    _validation = {
+        'value': {'readonly': True},
+    }
+
+    _attribute_map = {
+        'value': {'key': 'value', 'type': 'str'},
+    }
+
+    def __init__(self, **kwargs) -> None:
+        super(EnabledSubscriptionId, self).__init__(**kwargs)
+        self.value = None
diff --git a/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/operations/subscriptions_operations.py b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/operations/subscriptions_operations.py
index 449008578acf..0d102db5c3b6 100644
--- a/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/operations/subscriptions_operations.py
+++ b/sdk/subscription/azure-mgmt-subscription/azure/mgmt/subscription/operations/subscriptions_operations.py
@@ -161,6 +161,65 @@ def rename(
         return deserialized
     rename.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.Subscription/rename'}
 
+    def enable(
+            self, subscription_id, custom_headers=None, raw=False, **operation_config):
+        """The operation to enable a subscription.
+
+        :param subscription_id: Subscription Id.
+        :type subscription_id: str
+        :param dict custom_headers: headers that will be added to the request
+        :param bool raw: returns the direct response alongside the
+         deserialized response
+        :param operation_config: :ref:`Operation configuration
+         overrides<msrest:optionsforoperations>`.
+        :return: EnabledSubscriptionId or ClientRawResponse if raw=true
+        :rtype: ~azure.mgmt.subscription.models.EnabledSubscriptionId or
+         ~msrest.pipeline.ClientRawResponse
+        :raises:
+         :class:`ErrorResponseException<azure.mgmt.subscription.models.ErrorResponseException>`
+        """
+        api_version = "2019-03-01-preview"
+
+        # Construct URL
+        url = self.enable.metadata['url']
+        path_format_arguments = {
+            'subscriptionId': self._serialize.url("subscription_id", subscription_id, 'str')
+        }
+        url = self._client.format_url(url, **path_format_arguments)
+
+        # Construct parameters
+        query_parameters = {}
+        query_parameters['api-version'] = self._serialize.query("api_version", api_version, 'str')
+
+        # Construct headers
+        header_parameters = {}
+        header_parameters['Accept'] = 'application/json'
+        if self.config.generate_client_request_id:
+            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
+        if custom_headers:
+            header_parameters.update(custom_headers)
+        if self.config.accept_language is not None:
+            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')
+
+        # Construct and send request
+        request = self._client.post(url, query_parameters, header_parameters)
+        response = self._client.send(request, stream=False, **operation_config)
+
+        if response.status_code not in [200]:
+            raise models.ErrorResponseException(self._deserialize, response)
+
+        deserialized = None
+
+        if response.status_code == 200:
+            deserialized = self._deserialize('EnabledSubscriptionId', response)
+
+        if raw:
+            client_raw_response = ClientRawResponse(deserialized, response)
+            return client_raw_response
+
+        return deserialized
+    enable.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.Subscription/enable'}
+
     def list_locations(
             self, subscription_id, custom_headers=None, raw=False, **operation_config):
         """Gets all available geo-locations.