diff --git a/src/datamigration/HISTORY.rst b/src/datamigration/HISTORY.rst
index 0fb89deae95..c4cbb59776c 100644
--- a/src/datamigration/HISTORY.rst
+++ b/src/datamigration/HISTORY.rst
@@ -3,6 +3,11 @@
 Release History
 ===============
 
+=======
+1.0.1b1
+++++++
+* [PARAMETER UPDATE] `az datamigration sql-managed-instance create`: `--source-location` now supports Managed Identity for Azure Blob.
+
 =======
 1.0.0b4
 ++++++
diff --git a/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models.py b/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models.py
index d148f966e60..ea363672700 100644
--- a/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models.py
+++ b/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models.py
@@ -193,12 +193,18 @@ class AzureBlob(msrest.serialization.Model):
     :type account_key: str
     :param blob_container_name: Blob container name where backups are stored.
     :type blob_container_name: str
+    :param auth_type: Authentication type for accessing Azure Blob.
+    :type auth_type: str
+    :param identity: Identity details for authentication.
+    :type identity: object
     """
 
     _attribute_map = {
         'storage_account_resource_id': {'key': 'storageAccountResourceId', 'type': 'str'},
         'account_key': {'key': 'accountKey', 'type': 'str'},
         'blob_container_name': {'key': 'blobContainerName', 'type': 'str'},
+        'auth_type': {'key': 'authType', 'type': 'str'},
+        'identity': {'key': 'identity', 'type': 'object'},
     }
 
     def __init__(
@@ -209,6 +215,8 @@ def __init__(
         self.storage_account_resource_id = kwargs.get('storage_account_resource_id', None)
         self.account_key = kwargs.get('account_key', None)
         self.blob_container_name = kwargs.get('blob_container_name', None)
+        self.auth_type = kwargs.get('auth_type', None)
+        self.identity = kwargs.get('identity', None)
 
 
 class BackupConfiguration(msrest.serialization.Model):
diff --git a/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models_py3.py b/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models_py3.py
index 34352e3da03..275f3197451 100644
--- a/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models_py3.py
+++ b/src/datamigration/azext_datamigration/vendored_sdks/datamigration/models/_models_py3.py
@@ -222,12 +222,18 @@ class AzureBlob(msrest.serialization.Model):
     :type account_key: str
     :param blob_container_name: Blob container name where backups are stored.
     :type blob_container_name: str
+    :param auth_type: Authentication type for accessing Azure Blob.
+    :type auth_type: str
+    :param identity: Identity details for authentication.
+    :type identity: object
     """
 
     _attribute_map = {
         'storage_account_resource_id': {'key': 'storageAccountResourceId', 'type': 'str'},
         'account_key': {'key': 'accountKey', 'type': 'str'},
         'blob_container_name': {'key': 'blobContainerName', 'type': 'str'},
+        'auth_type': {'key': 'authType', 'type': 'str'},
+        'identity': {'key': 'identity', 'type': 'object'},
     }
 
     def __init__(
@@ -236,12 +242,16 @@ def __init__(
         storage_account_resource_id: Optional[str] = None,
         account_key: Optional[str] = None,
         blob_container_name: Optional[str] = None,
+        auth_type: Optional[str] = None,
+        identity: Optional[Dict[str, Dict[str, dict]]] = None,
         **kwargs
     ):
         super(AzureBlob, self).__init__(**kwargs)
         self.storage_account_resource_id = storage_account_resource_id
         self.account_key = account_key
         self.blob_container_name = blob_container_name
+        self.auth_type = auth_type
+        self.identity = identity
 
 
 class BackupConfiguration(msrest.serialization.Model):
diff --git a/src/datamigration/setup.py b/src/datamigration/setup.py
index 77a38395f78..8f910807b16 100644
--- a/src/datamigration/setup.py
+++ b/src/datamigration/setup.py
@@ -10,7 +10,7 @@
 from setuptools import setup, find_packages
 
 # HISTORY.rst entry.
-VERSION = '1.0.0b4'
+VERSION = '1.0.1b1'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers