diff --git a/sdk/eventhub/azure-mgmt-eventhub/_meta.json b/sdk/eventhub/azure-mgmt-eventhub/_meta.json
index 720230c56131..c210f76ab809 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/_meta.json
+++ b/sdk/eventhub/azure-mgmt-eventhub/_meta.json
@@ -1,11 +1,11 @@
 {
   "autorest": "3.4.2",
   "use": [
-    "@autorest/python@5.8.0",
-    "@autorest/modelerfour@4.19.1"
+    "@autorest/python@5.8.1",
+    "@autorest/modelerfour@4.19.2"
   ],
-  "commit": "243dc16d38ca0f0d251efa2d216468a670cd8beb",
+  "commit": "504e78446d1fe0337a8fd88e81209309e9a81438",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
-  "autorest_command": "autorest specification/eventhub/resource-manager/readme.md --multiapi --python --python-mode=update --python-sdks-folder=/home/vsts/work/1/s/azure-sdk-for-python/sdk --track2 --use=@autorest/python@5.8.0 --use=@autorest/modelerfour@4.19.1 --version=3.4.2",
+  "autorest_command": "autorest specification/eventhub/resource-manager/readme.md --multiapi --python --python-mode=update --python-sdks-folder=/home/vsts/work/1/s/azure-sdk-for-python/sdk --track2 --use=@autorest/python@5.8.1 --use=@autorest/modelerfour@4.19.2 --version=3.4.2",
   "readme": "specification/eventhub/resource-manager/readme.md"
 }
\ No newline at end of file
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/__init__.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/__init__.py
index 72f93dd9db6c..b65464aa7533 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/__init__.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/__init__.py
@@ -7,6 +7,9 @@
 # --------------------------------------------------------------------------
 
 from ._event_hub_management_client import EventHubManagementClient
+from ._version import VERSION
+
+__version__ = VERSION
 __all__ = ['EventHubManagementClient']
 
 try:
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/_configuration.py
index f698e6e92d49..0a35e98603e4 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/_configuration.py
@@ -12,13 +12,14 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from ._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from typing import Any
 
     from azure.core.credentials import TokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/_version.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/_version.py
new file mode 100644
index 000000000000..e5754a47ce68
--- /dev/null
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/_version.py
@@ -0,0 +1,9 @@
+# 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.
+# --------------------------------------------------------------------------
+
+VERSION = "1.0.0b1"
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/aio/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/aio/_configuration.py
index 004a7b9d0e26..8087c2bd45ee 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/aio/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2015_08_01/aio/_configuration.py
@@ -12,11 +12,12 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from .._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from azure.core.credentials_async import AsyncTokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/__init__.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/__init__.py
index 72f93dd9db6c..b65464aa7533 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/__init__.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/__init__.py
@@ -7,6 +7,9 @@
 # --------------------------------------------------------------------------
 
 from ._event_hub_management_client import EventHubManagementClient
+from ._version import VERSION
+
+__version__ = VERSION
 __all__ = ['EventHubManagementClient']
 
 try:
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/_configuration.py
index 82776d7e4da1..f8469b0d1c00 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/_configuration.py
@@ -12,13 +12,14 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from ._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from typing import Any
 
     from azure.core.credentials import TokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/_version.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/_version.py
new file mode 100644
index 000000000000..e5754a47ce68
--- /dev/null
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/_version.py
@@ -0,0 +1,9 @@
+# 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.
+# --------------------------------------------------------------------------
+
+VERSION = "1.0.0b1"
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/aio/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/aio/_configuration.py
index 587b01b0f3f1..09fe8c679363 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/aio/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2017_04_01/aio/_configuration.py
@@ -12,11 +12,12 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from .._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from azure.core.credentials_async import AsyncTokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/__init__.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/__init__.py
index 72f93dd9db6c..b65464aa7533 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/__init__.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/__init__.py
@@ -7,6 +7,9 @@
 # --------------------------------------------------------------------------
 
 from ._event_hub_management_client import EventHubManagementClient
+from ._version import VERSION
+
+__version__ = VERSION
 __all__ = ['EventHubManagementClient']
 
 try:
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/_configuration.py
index 78cc5d1b0649..86da104bd0b7 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/_configuration.py
@@ -12,13 +12,14 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from ._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from typing import Any
 
     from azure.core.credentials import TokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/_version.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/_version.py
new file mode 100644
index 000000000000..e5754a47ce68
--- /dev/null
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/_version.py
@@ -0,0 +1,9 @@
+# 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.
+# --------------------------------------------------------------------------
+
+VERSION = "1.0.0b1"
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/aio/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/aio/_configuration.py
index 5ca84445a1f4..06b48560341b 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/aio/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/aio/_configuration.py
@@ -12,11 +12,12 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from .._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from azure.core.credentials_async import AsyncTokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py
index 1287e38dd97e..195086f8199a 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models.py
@@ -566,7 +566,7 @@ class ClusterSku(msrest.serialization.Model):
 
     _validation = {
         'name': {'required': True},
-        'capacity': {'maximum': 32, 'minimum': 1},
+        'capacity': {'minimum': 1},
     }
 
     _attribute_map = {
@@ -735,6 +735,8 @@ class EHNamespace(TrackedResource):
     :type identity: ~azure.mgmt.eventhub.v2018_01_01_preview.models.Identity
     :ivar provisioning_state: Provisioning state of the Namespace.
     :vartype provisioning_state: str
+    :ivar status: Status of the Namespace.
+    :vartype status: str
     :ivar created_at: The time the Namespace was created.
     :vartype created_at: ~datetime.datetime
     :ivar updated_at: The time the Namespace was updated.
@@ -765,6 +767,7 @@ class EHNamespace(TrackedResource):
         'name': {'readonly': True},
         'type': {'readonly': True},
         'provisioning_state': {'readonly': True},
+        'status': {'readonly': True},
         'created_at': {'readonly': True},
         'updated_at': {'readonly': True},
         'service_bus_endpoint': {'readonly': True},
@@ -781,6 +784,7 @@ class EHNamespace(TrackedResource):
         'sku': {'key': 'sku', 'type': 'Sku'},
         'identity': {'key': 'identity', 'type': 'Identity'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'status': {'key': 'properties.status', 'type': 'str'},
         'created_at': {'key': 'properties.createdAt', 'type': 'iso-8601'},
         'updated_at': {'key': 'properties.updatedAt', 'type': 'iso-8601'},
         'service_bus_endpoint': {'key': 'properties.serviceBusEndpoint', 'type': 'str'},
@@ -801,6 +805,7 @@ def __init__(
         self.sku = kwargs.get('sku', None)
         self.identity = kwargs.get('identity', None)
         self.provisioning_state = None
+        self.status = None
         self.created_at = None
         self.updated_at = None
         self.service_bus_endpoint = None
@@ -878,33 +883,27 @@ def __init__(
 class Encryption(msrest.serialization.Model):
     """Properties to configure Encryption.
 
-    Variables are only populated by the server, and will be ignored when sending a request.
-
     :param key_vault_properties: Properties of KeyVault.
     :type key_vault_properties:
      list[~azure.mgmt.eventhub.v2018_01_01_preview.models.KeyVaultProperties]
-    :ivar key_source: Enumerates the possible value of keySource for Encryption. Default value:
+    :param key_source: Enumerates the possible value of keySource for Encryption. The only
+     acceptable values to pass in are None and "Microsoft.KeyVault". The default value is
      "Microsoft.KeyVault".
-    :vartype key_source: str
+    :type key_source: str
     """
 
-    _validation = {
-        'key_source': {'constant': True},
-    }
-
     _attribute_map = {
         'key_vault_properties': {'key': 'keyVaultProperties', 'type': '[KeyVaultProperties]'},
         'key_source': {'key': 'keySource', 'type': 'str'},
     }
 
-    key_source = "Microsoft.KeyVault"
-
     def __init__(
         self,
         **kwargs
     ):
         super(Encryption, self).__init__(**kwargs)
         self.key_vault_properties = kwargs.get('key_vault_properties', None)
+        self.key_source = kwargs.get('key_source', "Microsoft.KeyVault")
 
 
 class ErrorResponse(msrest.serialization.Model):
@@ -1026,29 +1025,22 @@ def __init__(
 class Identity(msrest.serialization.Model):
     """Properties to configure Identity for Bring your Own Keys.
 
-    Variables are only populated by the server, and will be ignored when sending a request.
-
     :param principal_id: ObjectId from the KeyVault.
     :type principal_id: str
     :param tenant_id: TenantId from the KeyVault.
     :type tenant_id: str
-    :ivar type: Enumerates the possible value Identity type, which currently supports only
-     'SystemAssigned'. Default value: "SystemAssigned".
-    :vartype type: str
+    :param type: Enumerates the possible value Identity type, which currently supports only
+     'SystemAssigned'. The only acceptable values to pass in are None and "SystemAssigned". The
+     default value is "SystemAssigned".
+    :type type: str
     """
 
-    _validation = {
-        'type': {'constant': True},
-    }
-
     _attribute_map = {
         'principal_id': {'key': 'principalId', 'type': 'str'},
         'tenant_id': {'key': 'tenantId', 'type': 'str'},
         'type': {'key': 'type', 'type': 'str'},
     }
 
-    type = "SystemAssigned"
-
     def __init__(
         self,
         **kwargs
@@ -1056,6 +1048,7 @@ def __init__(
         super(Identity, self).__init__(**kwargs)
         self.principal_id = kwargs.get('principal_id', None)
         self.tenant_id = kwargs.get('tenant_id', None)
+        self.type = kwargs.get('type', "SystemAssigned")
 
 
 class IpFilterRule(Resource):
@@ -1646,7 +1639,7 @@ class Sku(msrest.serialization.Model):
 
     _validation = {
         'name': {'required': True},
-        'capacity': {'maximum': 20, 'minimum': 0},
+        'capacity': {'minimum': 0},
     }
 
     _attribute_map = {
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py
index f9539a1d126e..b77e8ceb7310 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2018_01_01_preview/models/_models_py3.py
@@ -608,7 +608,7 @@ class ClusterSku(msrest.serialization.Model):
 
     _validation = {
         'name': {'required': True},
-        'capacity': {'maximum': 32, 'minimum': 1},
+        'capacity': {'minimum': 1},
     }
 
     _attribute_map = {
@@ -793,6 +793,8 @@ class EHNamespace(TrackedResource):
     :type identity: ~azure.mgmt.eventhub.v2018_01_01_preview.models.Identity
     :ivar provisioning_state: Provisioning state of the Namespace.
     :vartype provisioning_state: str
+    :ivar status: Status of the Namespace.
+    :vartype status: str
     :ivar created_at: The time the Namespace was created.
     :vartype created_at: ~datetime.datetime
     :ivar updated_at: The time the Namespace was updated.
@@ -823,6 +825,7 @@ class EHNamespace(TrackedResource):
         'name': {'readonly': True},
         'type': {'readonly': True},
         'provisioning_state': {'readonly': True},
+        'status': {'readonly': True},
         'created_at': {'readonly': True},
         'updated_at': {'readonly': True},
         'service_bus_endpoint': {'readonly': True},
@@ -839,6 +842,7 @@ class EHNamespace(TrackedResource):
         'sku': {'key': 'sku', 'type': 'Sku'},
         'identity': {'key': 'identity', 'type': 'Identity'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'status': {'key': 'properties.status', 'type': 'str'},
         'created_at': {'key': 'properties.createdAt', 'type': 'iso-8601'},
         'updated_at': {'key': 'properties.updatedAt', 'type': 'iso-8601'},
         'service_bus_endpoint': {'key': 'properties.serviceBusEndpoint', 'type': 'str'},
@@ -870,6 +874,7 @@ def __init__(
         self.sku = sku
         self.identity = identity
         self.provisioning_state = None
+        self.status = None
         self.created_at = None
         self.updated_at = None
         self.service_bus_endpoint = None
@@ -954,35 +959,30 @@ def __init__(
 class Encryption(msrest.serialization.Model):
     """Properties to configure Encryption.
 
-    Variables are only populated by the server, and will be ignored when sending a request.
-
     :param key_vault_properties: Properties of KeyVault.
     :type key_vault_properties:
      list[~azure.mgmt.eventhub.v2018_01_01_preview.models.KeyVaultProperties]
-    :ivar key_source: Enumerates the possible value of keySource for Encryption. Default value:
+    :param key_source: Enumerates the possible value of keySource for Encryption. The only
+     acceptable values to pass in are None and "Microsoft.KeyVault". The default value is
      "Microsoft.KeyVault".
-    :vartype key_source: str
+    :type key_source: str
     """
 
-    _validation = {
-        'key_source': {'constant': True},
-    }
-
     _attribute_map = {
         'key_vault_properties': {'key': 'keyVaultProperties', 'type': '[KeyVaultProperties]'},
         'key_source': {'key': 'keySource', 'type': 'str'},
     }
 
-    key_source = "Microsoft.KeyVault"
-
     def __init__(
         self,
         *,
         key_vault_properties: Optional[List["KeyVaultProperties"]] = None,
+        key_source: Optional[str] = "Microsoft.KeyVault",
         **kwargs
     ):
         super(Encryption, self).__init__(**kwargs)
         self.key_vault_properties = key_vault_properties
+        self.key_source = key_source
 
 
 class ErrorResponse(msrest.serialization.Model):
@@ -1115,39 +1115,34 @@ def __init__(
 class Identity(msrest.serialization.Model):
     """Properties to configure Identity for Bring your Own Keys.
 
-    Variables are only populated by the server, and will be ignored when sending a request.
-
     :param principal_id: ObjectId from the KeyVault.
     :type principal_id: str
     :param tenant_id: TenantId from the KeyVault.
     :type tenant_id: str
-    :ivar type: Enumerates the possible value Identity type, which currently supports only
-     'SystemAssigned'. Default value: "SystemAssigned".
-    :vartype type: str
+    :param type: Enumerates the possible value Identity type, which currently supports only
+     'SystemAssigned'. The only acceptable values to pass in are None and "SystemAssigned". The
+     default value is "SystemAssigned".
+    :type type: str
     """
 
-    _validation = {
-        'type': {'constant': True},
-    }
-
     _attribute_map = {
         'principal_id': {'key': 'principalId', 'type': 'str'},
         'tenant_id': {'key': 'tenantId', 'type': 'str'},
         'type': {'key': 'type', 'type': 'str'},
     }
 
-    type = "SystemAssigned"
-
     def __init__(
         self,
         *,
         principal_id: Optional[str] = None,
         tenant_id: Optional[str] = None,
+        type: Optional[str] = "SystemAssigned",
         **kwargs
     ):
         super(Identity, self).__init__(**kwargs)
         self.principal_id = principal_id
         self.tenant_id = tenant_id
+        self.type = type
 
 
 class IpFilterRule(Resource):
@@ -1790,7 +1785,7 @@ class Sku(msrest.serialization.Model):
 
     _validation = {
         'name': {'required': True},
-        'capacity': {'maximum': 20, 'minimum': 0},
+        'capacity': {'minimum': 0},
     }
 
     _attribute_map = {
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/__init__.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/__init__.py
index 72f93dd9db6c..b65464aa7533 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/__init__.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/__init__.py
@@ -7,6 +7,9 @@
 # --------------------------------------------------------------------------
 
 from ._event_hub_management_client import EventHubManagementClient
+from ._version import VERSION
+
+__version__ = VERSION
 __all__ = ['EventHubManagementClient']
 
 try:
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/_configuration.py
index 491686092882..fe795e13f108 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/_configuration.py
@@ -12,13 +12,14 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from ._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from typing import Any
 
     from azure.core.credentials import TokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/_version.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/_version.py
new file mode 100644
index 000000000000..e5754a47ce68
--- /dev/null
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/_version.py
@@ -0,0 +1,9 @@
+# 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.
+# --------------------------------------------------------------------------
+
+VERSION = "1.0.0b1"
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/aio/_configuration.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/aio/_configuration.py
index 17c6db93518a..175aa96d6665 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/aio/_configuration.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/aio/_configuration.py
@@ -12,11 +12,12 @@
 from azure.core.pipeline import policies
 from azure.mgmt.core.policies import ARMHttpLoggingPolicy
 
+from .._version import VERSION
+
 if TYPE_CHECKING:
     # pylint: disable=unused-import,ungrouped-imports
     from azure.core.credentials_async import AsyncTokenCredential
 
-VERSION = "unknown"
 
 class EventHubManagementClientConfiguration(Configuration):
     """Configuration for EventHubManagementClient.
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models.py
index 28906af33b90..f1080cbf888e 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models.py
@@ -606,6 +606,8 @@ class EHNamespace(TrackedResource):
     :vartype system_data: ~azure.mgmt.eventhub.v2021_01_01_preview.models.SystemData
     :ivar provisioning_state: Provisioning state of the Namespace.
     :vartype provisioning_state: str
+    :ivar status: Status of the Namespace.
+    :vartype status: str
     :ivar created_at: The time the Namespace was created.
     :vartype created_at: ~datetime.datetime
     :ivar updated_at: The time the Namespace was updated.
@@ -640,6 +642,7 @@ class EHNamespace(TrackedResource):
         'type': {'readonly': True},
         'system_data': {'readonly': True},
         'provisioning_state': {'readonly': True},
+        'status': {'readonly': True},
         'created_at': {'readonly': True},
         'updated_at': {'readonly': True},
         'service_bus_endpoint': {'readonly': True},
@@ -657,6 +660,7 @@ class EHNamespace(TrackedResource):
         'identity': {'key': 'identity', 'type': 'Identity'},
         'system_data': {'key': 'systemData', 'type': 'SystemData'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'status': {'key': 'properties.status', 'type': 'str'},
         'created_at': {'key': 'properties.createdAt', 'type': 'iso-8601'},
         'updated_at': {'key': 'properties.updatedAt', 'type': 'iso-8601'},
         'service_bus_endpoint': {'key': 'properties.serviceBusEndpoint', 'type': 'str'},
@@ -679,6 +683,7 @@ def __init__(
         self.identity = kwargs.get('identity', None)
         self.system_data = None
         self.provisioning_state = None
+        self.status = None
         self.created_at = None
         self.updated_at = None
         self.service_bus_endpoint = None
@@ -719,36 +724,30 @@ def __init__(
 class Encryption(msrest.serialization.Model):
     """Properties to configure Encryption.
 
-    Variables are only populated by the server, and will be ignored when sending a request.
-
     :param key_vault_properties: Properties of KeyVault.
     :type key_vault_properties:
      list[~azure.mgmt.eventhub.v2021_01_01_preview.models.KeyVaultProperties]
-    :ivar key_source: Enumerates the possible value of keySource for Encryption. Default value:
+    :param key_source: Enumerates the possible value of keySource for Encryption. The only
+     acceptable values to pass in are None and "Microsoft.KeyVault". The default value is
      "Microsoft.KeyVault".
-    :vartype key_source: str
+    :type key_source: str
     :param require_infrastructure_encryption: Enable Infrastructure Encryption (Double Encryption).
     :type require_infrastructure_encryption: bool
     """
 
-    _validation = {
-        'key_source': {'constant': True},
-    }
-
     _attribute_map = {
         'key_vault_properties': {'key': 'keyVaultProperties', 'type': '[KeyVaultProperties]'},
         'key_source': {'key': 'keySource', 'type': 'str'},
         'require_infrastructure_encryption': {'key': 'requireInfrastructureEncryption', 'type': 'bool'},
     }
 
-    key_source = "Microsoft.KeyVault"
-
     def __init__(
         self,
         **kwargs
     ):
         super(Encryption, self).__init__(**kwargs)
         self.key_vault_properties = kwargs.get('key_vault_properties', None)
+        self.key_source = kwargs.get('key_source', "Microsoft.KeyVault")
         self.require_infrastructure_encryption = kwargs.get('require_infrastructure_encryption', None)
 
 
@@ -1348,7 +1347,7 @@ class Sku(msrest.serialization.Model):
 
     _validation = {
         'name': {'required': True},
-        'capacity': {'maximum': 20, 'minimum': 0},
+        'capacity': {'minimum': 0},
     }
 
     _attribute_map = {
diff --git a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models_py3.py b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models_py3.py
index 476a37dcd549..0bfac6b984e8 100644
--- a/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models_py3.py
+++ b/sdk/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/v2021_01_01_preview/models/_models_py3.py
@@ -649,6 +649,8 @@ class EHNamespace(TrackedResource):
     :vartype system_data: ~azure.mgmt.eventhub.v2021_01_01_preview.models.SystemData
     :ivar provisioning_state: Provisioning state of the Namespace.
     :vartype provisioning_state: str
+    :ivar status: Status of the Namespace.
+    :vartype status: str
     :ivar created_at: The time the Namespace was created.
     :vartype created_at: ~datetime.datetime
     :ivar updated_at: The time the Namespace was updated.
@@ -683,6 +685,7 @@ class EHNamespace(TrackedResource):
         'type': {'readonly': True},
         'system_data': {'readonly': True},
         'provisioning_state': {'readonly': True},
+        'status': {'readonly': True},
         'created_at': {'readonly': True},
         'updated_at': {'readonly': True},
         'service_bus_endpoint': {'readonly': True},
@@ -700,6 +703,7 @@ class EHNamespace(TrackedResource):
         'identity': {'key': 'identity', 'type': 'Identity'},
         'system_data': {'key': 'systemData', 'type': 'SystemData'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'status': {'key': 'properties.status', 'type': 'str'},
         'created_at': {'key': 'properties.createdAt', 'type': 'iso-8601'},
         'updated_at': {'key': 'properties.updatedAt', 'type': 'iso-8601'},
         'service_bus_endpoint': {'key': 'properties.serviceBusEndpoint', 'type': 'str'},
@@ -734,6 +738,7 @@ def __init__(
         self.identity = identity
         self.system_data = None
         self.provisioning_state = None
+        self.status = None
         self.created_at = None
         self.updated_at = None
         self.service_bus_endpoint = None
@@ -777,39 +782,34 @@ def __init__(
 class Encryption(msrest.serialization.Model):
     """Properties to configure Encryption.
 
-    Variables are only populated by the server, and will be ignored when sending a request.
-
     :param key_vault_properties: Properties of KeyVault.
     :type key_vault_properties:
      list[~azure.mgmt.eventhub.v2021_01_01_preview.models.KeyVaultProperties]
-    :ivar key_source: Enumerates the possible value of keySource for Encryption. Default value:
+    :param key_source: Enumerates the possible value of keySource for Encryption. The only
+     acceptable values to pass in are None and "Microsoft.KeyVault". The default value is
      "Microsoft.KeyVault".
-    :vartype key_source: str
+    :type key_source: str
     :param require_infrastructure_encryption: Enable Infrastructure Encryption (Double Encryption).
     :type require_infrastructure_encryption: bool
     """
 
-    _validation = {
-        'key_source': {'constant': True},
-    }
-
     _attribute_map = {
         'key_vault_properties': {'key': 'keyVaultProperties', 'type': '[KeyVaultProperties]'},
         'key_source': {'key': 'keySource', 'type': 'str'},
         'require_infrastructure_encryption': {'key': 'requireInfrastructureEncryption', 'type': 'bool'},
     }
 
-    key_source = "Microsoft.KeyVault"
-
     def __init__(
         self,
         *,
         key_vault_properties: Optional[List["KeyVaultProperties"]] = None,
+        key_source: Optional[str] = "Microsoft.KeyVault",
         require_infrastructure_encryption: Optional[bool] = None,
         **kwargs
     ):
         super(Encryption, self).__init__(**kwargs)
         self.key_vault_properties = key_vault_properties
+        self.key_source = key_source
         self.require_infrastructure_encryption = require_infrastructure_encryption
 
 
@@ -1463,7 +1463,7 @@ class Sku(msrest.serialization.Model):
 
     _validation = {
         'name': {'required': True},
-        'capacity': {'maximum': 20, 'minimum': 0},
+        'capacity': {'minimum': 0},
     }
 
     _attribute_map = {