diff --git a/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings.py b/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings.py
index 9a6d9cbbe90..9acbe4f0315 100644
--- a/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings.py
+++ b/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings.py
@@ -61,9 +61,9 @@ class AS2MdnSettings(Model):
         'send_mdn_asynchronously': {'key': 'sendMDNAsynchronously', 'type': 'bool'},
         'receipt_delivery_url': {'key': 'receiptDeliveryUrl', 'type': 'str'},
         'disposition_notification_to': {'key': 'dispositionNotificationTo', 'type': 'str'},
-        'sign_outbound_mdn_if_optional': {'key': 'signOutboundMDNIfOptional', 'type': 'bool'},
+        'sign_outbound_mdn_if_optional': {'key': 'signOutboundMdnIfOptional', 'type': 'bool'},
         'mdn_text': {'key': 'mdnText', 'type': 'str'},
-        'send_inbound_mdn_to_message_box': {'key': 'sendInboundMDNToMessageBox', 'type': 'bool'},
+        'send_inbound_mdn_to_message_box': {'key': 'sendInboundMdnToMessageBox', 'type': 'bool'},
         'mic_hashing_algorithm': {'key': 'micHashingAlgorithm', 'type': 'str'},
     }
 
diff --git a/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings_py3.py b/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings_py3.py
index 9ecf6010005..3c280a4744a 100644
--- a/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings_py3.py
+++ b/azure-mgmt-logic/azure/mgmt/logic/models/as2_mdn_settings_py3.py
@@ -61,9 +61,9 @@ class AS2MdnSettings(Model):
         'send_mdn_asynchronously': {'key': 'sendMDNAsynchronously', 'type': 'bool'},
         'receipt_delivery_url': {'key': 'receiptDeliveryUrl', 'type': 'str'},
         'disposition_notification_to': {'key': 'dispositionNotificationTo', 'type': 'str'},
-        'sign_outbound_mdn_if_optional': {'key': 'signOutboundMDNIfOptional', 'type': 'bool'},
+        'sign_outbound_mdn_if_optional': {'key': 'signOutboundMdnIfOptional', 'type': 'bool'},
         'mdn_text': {'key': 'mdnText', 'type': 'str'},
-        'send_inbound_mdn_to_message_box': {'key': 'sendInboundMDNToMessageBox', 'type': 'bool'},
+        'send_inbound_mdn_to_message_box': {'key': 'sendInboundMdnToMessageBox', 'type': 'bool'},
         'mic_hashing_algorithm': {'key': 'micHashingAlgorithm', 'type': 'str'},
     }
 
diff --git a/azure-mgmt-logic/azure/mgmt/logic/version.py b/azure-mgmt-logic/azure/mgmt/logic/version.py
index eee01eeb91d..640f86d33a0 100644
--- a/azure-mgmt-logic/azure/mgmt/logic/version.py
+++ b/azure-mgmt-logic/azure/mgmt/logic/version.py
@@ -9,5 +9,5 @@
 # regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "4.0.0rc2"
+VERSION = "2018-07-01-preview"