diff --git a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku.py b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku.py
index d8b5954ac92b..5c07709435e0 100644
--- a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku.py
+++ b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku.py
@@ -15,9 +15,7 @@
 class Sku(Model):
     """Describes a virtual machine scale set sku.
 
-    :param name: The sku name. Possible values are: **Aligned** for managed
-     disks, and **Classic** for unmanaged disks. Default value is Classic, if
-     not specified.
+    :param name: The sku name.
     :type name: str
     :param tier: Specifies the tier of virtual machines in a scale set.<br
      /><br /> Possible Values:<br /><br /> **Standard**<br /><br /> **Basic**
diff --git a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku_py3.py b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku_py3.py
index 781632d90337..f6bc74afaadc 100644
--- a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku_py3.py
+++ b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/sku_py3.py
@@ -15,9 +15,7 @@
 class Sku(Model):
     """Describes a virtual machine scale set sku.
 
-    :param name: The sku name. Possible values are: **Aligned** for managed
-     disks, and **Classic** for unmanaged disks. Default value is Classic, if
-     not specified.
+    :param name: The sku name.
     :type name: str
     :param tier: Specifies the tier of virtual machines in a scale set.<br
      /><br /> Possible Values:<br /><br /> **Standard**<br /><br /> **Basic**
diff --git a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration.py b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration.py
index c43e3909c23d..ca667579db68 100644
--- a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration.py
+++ b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration.py
@@ -29,6 +29,9 @@ class VirtualMachineScaleSetPublicIPAddressConfiguration(Model):
     :param ip_tags: The list of IP tags associated with the public IP address.
     :type ip_tags:
      list[~azure.mgmt.compute.v2018_06_01.models.VirtualMachineScaleSetIpTag]
+    :param public_ip_prefix: The PublicIPPrefix from which to allocate
+     publicIP addresses.
+    :type public_ip_prefix: ~azure.mgmt.compute.v2018_06_01.models.SubResource
     """
 
     _validation = {
@@ -40,6 +43,7 @@ class VirtualMachineScaleSetPublicIPAddressConfiguration(Model):
         'idle_timeout_in_minutes': {'key': 'properties.idleTimeoutInMinutes', 'type': 'int'},
         'dns_settings': {'key': 'properties.dnsSettings', 'type': 'VirtualMachineScaleSetPublicIPAddressConfigurationDnsSettings'},
         'ip_tags': {'key': 'properties.ipTags', 'type': '[VirtualMachineScaleSetIpTag]'},
+        'public_ip_prefix': {'key': 'properties.publicIPPrefix', 'type': 'SubResource'},
     }
 
     def __init__(self, **kwargs):
@@ -48,3 +52,4 @@ def __init__(self, **kwargs):
         self.idle_timeout_in_minutes = kwargs.get('idle_timeout_in_minutes', None)
         self.dns_settings = kwargs.get('dns_settings', None)
         self.ip_tags = kwargs.get('ip_tags', None)
+        self.public_ip_prefix = kwargs.get('public_ip_prefix', None)
diff --git a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration_py3.py b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration_py3.py
index 1997921b01de..3d6ba42bf5f6 100644
--- a/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration_py3.py
+++ b/azure-mgmt-compute/azure/mgmt/compute/v2018_06_01/models/virtual_machine_scale_set_public_ip_address_configuration_py3.py
@@ -29,6 +29,9 @@ class VirtualMachineScaleSetPublicIPAddressConfiguration(Model):
     :param ip_tags: The list of IP tags associated with the public IP address.
     :type ip_tags:
      list[~azure.mgmt.compute.v2018_06_01.models.VirtualMachineScaleSetIpTag]
+    :param public_ip_prefix: The PublicIPPrefix from which to allocate
+     publicIP addresses.
+    :type public_ip_prefix: ~azure.mgmt.compute.v2018_06_01.models.SubResource
     """
 
     _validation = {
@@ -40,11 +43,13 @@ class VirtualMachineScaleSetPublicIPAddressConfiguration(Model):
         'idle_timeout_in_minutes': {'key': 'properties.idleTimeoutInMinutes', 'type': 'int'},
         'dns_settings': {'key': 'properties.dnsSettings', 'type': 'VirtualMachineScaleSetPublicIPAddressConfigurationDnsSettings'},
         'ip_tags': {'key': 'properties.ipTags', 'type': '[VirtualMachineScaleSetIpTag]'},
+        'public_ip_prefix': {'key': 'properties.publicIPPrefix', 'type': 'SubResource'},
     }
 
-    def __init__(self, *, name: str, idle_timeout_in_minutes: int=None, dns_settings=None, ip_tags=None, **kwargs) -> None:
+    def __init__(self, *, name: str, idle_timeout_in_minutes: int=None, dns_settings=None, ip_tags=None, public_ip_prefix=None, **kwargs) -> None:
         super(VirtualMachineScaleSetPublicIPAddressConfiguration, self).__init__(**kwargs)
         self.name = name
         self.idle_timeout_in_minutes = idle_timeout_in_minutes
         self.dns_settings = dns_settings
         self.ip_tags = ip_tags
+        self.public_ip_prefix = public_ip_prefix
diff --git a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/__init__.py b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/__init__.py
index 1bfe6fa7e378..8c914b8f17cf 100644
--- a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/__init__.py
+++ b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/__init__.py
@@ -35,9 +35,6 @@
     from .public_ip_address_sku_py3 import PublicIPAddressSku
     from .public_ip_address_dns_settings_py3 import PublicIPAddressDnsSettings
     from .ip_tag_py3 import IpTag
-    from .public_ip_prefix_sku_py3 import PublicIPPrefixSku
-    from .referenced_public_ip_address_py3 import ReferencedPublicIpAddress
-    from .public_ip_prefix_py3 import PublicIPPrefix
     from .public_ip_address_py3 import PublicIPAddress
     from .ip_configuration_py3 import IPConfiguration
     from .resource_navigation_link_py3 import ResourceNavigationLink
@@ -184,6 +181,9 @@
     from .log_specification_py3 import LogSpecification
     from .operation_properties_format_service_specification_py3 import OperationPropertiesFormatServiceSpecification
     from .operation_py3 import Operation
+    from .public_ip_prefix_sku_py3 import PublicIPPrefixSku
+    from .referenced_public_ip_address_py3 import ReferencedPublicIpAddress
+    from .public_ip_prefix_py3 import PublicIPPrefix
     from .patch_route_filter_rule_py3 import PatchRouteFilterRule
     from .patch_route_filter_py3 import PatchRouteFilter
     from .bgp_community_py3 import BGPCommunity
@@ -255,9 +255,6 @@
     from .public_ip_address_sku import PublicIPAddressSku
     from .public_ip_address_dns_settings import PublicIPAddressDnsSettings
     from .ip_tag import IpTag
-    from .public_ip_prefix_sku import PublicIPPrefixSku
-    from .referenced_public_ip_address import ReferencedPublicIpAddress
-    from .public_ip_prefix import PublicIPPrefix
     from .public_ip_address import PublicIPAddress
     from .ip_configuration import IPConfiguration
     from .resource_navigation_link import ResourceNavigationLink
@@ -404,6 +401,9 @@
     from .log_specification import LogSpecification
     from .operation_properties_format_service_specification import OperationPropertiesFormatServiceSpecification
     from .operation import Operation
+    from .public_ip_prefix_sku import PublicIPPrefixSku
+    from .referenced_public_ip_address import ReferencedPublicIpAddress
+    from .public_ip_prefix import PublicIPPrefix
     from .patch_route_filter_rule import PatchRouteFilterRule
     from .patch_route_filter import PatchRouteFilter
     from .bgp_community import BGPCommunity
@@ -512,7 +512,6 @@
     SecurityRuleDirection,
     RouteNextHopType,
     PublicIPAddressSkuName,
-    PublicIPPrefixSkuName,
     ApplicationGatewayProtocol,
     ApplicationGatewayCookieBasedAffinity,
     ApplicationGatewayBackendHealthServerHealth,
@@ -559,6 +558,7 @@
     ConnectionMonitorSourceStatus,
     ConnectionState,
     EvaluationState,
+    PublicIPPrefixSkuName,
     VirtualNetworkPeeringState,
     VirtualNetworkGatewayType,
     VpnType,
@@ -607,9 +607,6 @@
     'PublicIPAddressSku',
     'PublicIPAddressDnsSettings',
     'IpTag',
-    'PublicIPPrefixSku',
-    'ReferencedPublicIpAddress',
-    'PublicIPPrefix',
     'PublicIPAddress',
     'IPConfiguration',
     'ResourceNavigationLink',
@@ -756,6 +753,9 @@
     'LogSpecification',
     'OperationPropertiesFormatServiceSpecification',
     'Operation',
+    'PublicIPPrefixSku',
+    'ReferencedPublicIpAddress',
+    'PublicIPPrefix',
     'PatchRouteFilterRule',
     'PatchRouteFilter',
     'BGPCommunity',
@@ -863,7 +863,6 @@
     'SecurityRuleDirection',
     'RouteNextHopType',
     'PublicIPAddressSkuName',
-    'PublicIPPrefixSkuName',
     'ApplicationGatewayProtocol',
     'ApplicationGatewayCookieBasedAffinity',
     'ApplicationGatewayBackendHealthServerHealth',
@@ -910,6 +909,7 @@
     'ConnectionMonitorSourceStatus',
     'ConnectionState',
     'EvaluationState',
+    'PublicIPPrefixSkuName',
     'VirtualNetworkPeeringState',
     'VirtualNetworkGatewayType',
     'VpnType',
diff --git a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/network_management_client_enums.py b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/network_management_client_enums.py
index 2dea047096aa..91c620d605e4 100644
--- a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/network_management_client_enums.py
+++ b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/network_management_client_enums.py
@@ -93,11 +93,6 @@ class PublicIPAddressSkuName(str, Enum):
     standard = "Standard"
 
 
-class PublicIPPrefixSkuName(str, Enum):
-
-    standard = "Standard"
-
-
 class ApplicationGatewayProtocol(str, Enum):
 
     http = "Http"
@@ -450,6 +445,11 @@ class EvaluationState(str, Enum):
     completed = "Completed"
 
 
+class PublicIPPrefixSkuName(str, Enum):
+
+    standard = "Standard"
+
+
 class VirtualNetworkPeeringState(str, Enum):
 
     initiated = "Initiated"
diff --git a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address.py b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address.py
index 5581eb3e5414..6e89df12d94a 100644
--- a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address.py
+++ b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address.py
@@ -54,8 +54,7 @@ class PublicIPAddress(Resource):
     :type ip_address: str
     :param public_ip_prefix: The Public IP Prefix this Public IP Address
      should be allocated from.
-    :type public_ip_prefix:
-     ~azure.mgmt.network.v2018_07_01.models.PublicIPPrefix
+    :type public_ip_prefix: ~azure.mgmt.network.v2018_07_01.models.SubResource
     :param idle_timeout_in_minutes: The idle timeout of the public IP address.
     :type idle_timeout_in_minutes: int
     :param resource_guid: The resource GUID property of the public IP
@@ -91,7 +90,7 @@ class PublicIPAddress(Resource):
         'dns_settings': {'key': 'properties.dnsSettings', 'type': 'PublicIPAddressDnsSettings'},
         'ip_tags': {'key': 'properties.ipTags', 'type': '[IpTag]'},
         'ip_address': {'key': 'properties.ipAddress', 'type': 'str'},
-        'public_ip_prefix': {'key': 'properties.publicIPPrefix', 'type': 'PublicIPPrefix'},
+        'public_ip_prefix': {'key': 'properties.publicIPPrefix', 'type': 'SubResource'},
         'idle_timeout_in_minutes': {'key': 'properties.idleTimeoutInMinutes', 'type': 'int'},
         'resource_guid': {'key': 'properties.resourceGuid', 'type': 'str'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
diff --git a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address_py3.py b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address_py3.py
index 33d3adc327f1..1d36013db0b9 100644
--- a/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address_py3.py
+++ b/azure-mgmt-network/azure/mgmt/network/v2018_07_01/models/public_ip_address_py3.py
@@ -54,8 +54,7 @@ class PublicIPAddress(Resource):
     :type ip_address: str
     :param public_ip_prefix: The Public IP Prefix this Public IP Address
      should be allocated from.
-    :type public_ip_prefix:
-     ~azure.mgmt.network.v2018_07_01.models.PublicIPPrefix
+    :type public_ip_prefix: ~azure.mgmt.network.v2018_07_01.models.SubResource
     :param idle_timeout_in_minutes: The idle timeout of the public IP address.
     :type idle_timeout_in_minutes: int
     :param resource_guid: The resource GUID property of the public IP
@@ -91,7 +90,7 @@ class PublicIPAddress(Resource):
         'dns_settings': {'key': 'properties.dnsSettings', 'type': 'PublicIPAddressDnsSettings'},
         'ip_tags': {'key': 'properties.ipTags', 'type': '[IpTag]'},
         'ip_address': {'key': 'properties.ipAddress', 'type': 'str'},
-        'public_ip_prefix': {'key': 'properties.publicIPPrefix', 'type': 'PublicIPPrefix'},
+        'public_ip_prefix': {'key': 'properties.publicIPPrefix', 'type': 'SubResource'},
         'idle_timeout_in_minutes': {'key': 'properties.idleTimeoutInMinutes', 'type': 'int'},
         'resource_guid': {'key': 'properties.resourceGuid', 'type': 'str'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},