diff --git a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule.py b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule.py
index 04870e7f459d..ef8d73bde0b7 100644
--- a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule.py
+++ b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule.py
@@ -22,8 +22,8 @@ class OutboundRule(SubResource):
     :param allocated_outbound_ports: The number of outbound ports to be used
      for NAT.
     :type allocated_outbound_ports: int
-    :param frontend_ip_configurations: The Frontend IP addresses of the load
-     balancer.
+    :param frontend_ip_configurations: Required. The Frontend IP addresses of
+     the load balancer.
     :type frontend_ip_configurations:
      list[~azure.mgmt.network.v2018_07_01.models.SubResource]
     :param backend_address_pool: Required. A reference to a pool of DIPs.
@@ -33,8 +33,8 @@ class OutboundRule(SubResource):
     :param provisioning_state: Gets the provisioning state of the PublicIP
      resource. Possible values are: 'Updating', 'Deleting', and 'Failed'.
     :type provisioning_state: str
-    :param protocol: Protocol - TCP, UDP or All. Possible values include:
-     'Tcp', 'Udp', 'All'
+    :param protocol: Required. Protocol - TCP, UDP or All. Possible values
+     include: 'Tcp', 'Udp', 'All'
     :type protocol: str or ~azure.mgmt.network.v2018_07_01.models.enum
     :param enable_tcp_reset: Receive bidirectional TCP Reset on TCP flow idle
      timeout or unexpected connection termination. This element is only used
@@ -51,7 +51,9 @@ class OutboundRule(SubResource):
     """
 
     _validation = {
+        'frontend_ip_configurations': {'required': True},
         'backend_address_pool': {'required': True},
+        'protocol': {'required': True},
     }
 
     _attribute_map = {
diff --git a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule_py3.py b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule_py3.py
index 2f24df8ef9f4..1ac22c81d284 100644
--- a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule_py3.py
+++ b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/outbound_rule_py3.py
@@ -22,8 +22,8 @@ class OutboundRule(SubResource):
     :param allocated_outbound_ports: The number of outbound ports to be used
      for NAT.
     :type allocated_outbound_ports: int
-    :param frontend_ip_configurations: The Frontend IP addresses of the load
-     balancer.
+    :param frontend_ip_configurations: Required. The Frontend IP addresses of
+     the load balancer.
     :type frontend_ip_configurations:
      list[~azure.mgmt.network.v2018_07_01.models.SubResource]
     :param backend_address_pool: Required. A reference to a pool of DIPs.
@@ -33,8 +33,8 @@ class OutboundRule(SubResource):
     :param provisioning_state: Gets the provisioning state of the PublicIP
      resource. Possible values are: 'Updating', 'Deleting', and 'Failed'.
     :type provisioning_state: str
-    :param protocol: Protocol - TCP, UDP or All. Possible values include:
-     'Tcp', 'Udp', 'All'
+    :param protocol: Required. Protocol - TCP, UDP or All. Possible values
+     include: 'Tcp', 'Udp', 'All'
     :type protocol: str or ~azure.mgmt.network.v2018_07_01.models.enum
     :param enable_tcp_reset: Receive bidirectional TCP Reset on TCP flow idle
      timeout or unexpected connection termination. This element is only used
@@ -51,7 +51,9 @@ class OutboundRule(SubResource):
     """
 
     _validation = {
+        'frontend_ip_configurations': {'required': True},
         'backend_address_pool': {'required': True},
+        'protocol': {'required': True},
     }
 
     _attribute_map = {
@@ -67,7 +69,7 @@ class OutboundRule(SubResource):
         'etag': {'key': 'etag', 'type': 'str'},
     }
 
-    def __init__(self, *, backend_address_pool, id: str=None, allocated_outbound_ports: int=None, frontend_ip_configurations=None, provisioning_state: str=None, protocol=None, enable_tcp_reset: bool=None, idle_timeout_in_minutes: int=None, name: str=None, etag: str=None, **kwargs) -> None:
+    def __init__(self, *, frontend_ip_configurations, backend_address_pool, protocol, id: str=None, allocated_outbound_ports: int=None, provisioning_state: str=None, enable_tcp_reset: bool=None, idle_timeout_in_minutes: int=None, name: str=None, etag: str=None, **kwargs) -> None:
         super(OutboundRule, self).__init__(id=id, **kwargs)
         self.allocated_outbound_ports = allocated_outbound_ports
         self.frontend_ip_configurations = frontend_ip_configurations