diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/Image.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/Image.cs
index 4916d4ba3007..c844f7a144af 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/Image.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/Image.cs
@@ -46,9 +46,13 @@ public Image()
         /// <param name="storageProfile">Specifies the storage settings for the
         /// virtual machine disks.</param>
         /// <param name="provisioningState">The provisioning state.</param>
-        /// <param name="hyperVGeneration">Gets the HyperVGenerationType of the
-        /// VirtualMachine created from the image. Possible values include:
-        /// 'V1', 'V2'</param>
+        /// <param name="hyperVGeneration">Specifies the HyperVGenerationType
+        /// of the VirtualMachine created from the image. From API Version
+        /// 2019-03-01 if the image source is a blob, then we need the user to
+        /// specify the value, if the source is managed resource like disk or
+        /// snapshot, we may require the user to specify the property if we
+        /// cannot deduce it from the source managed resource. Possible values
+        /// include: 'V1', 'V2'</param>
         /// <param name="extendedLocation">The extended location of the
         /// Image.</param>
         public Image(string location, string id = default(string), string name = default(string), string type = default(string), IDictionary<string, string> tags = default(IDictionary<string, string>), SubResource sourceVirtualMachine = default(SubResource), ImageStorageProfile storageProfile = default(ImageStorageProfile), string provisioningState = default(string), string hyperVGeneration = default(string), ExtendedLocation extendedLocation = default(ExtendedLocation))
@@ -88,8 +92,13 @@ public Image()
         public string ProvisioningState { get; private set; }
 
         /// <summary>
-        /// Gets the HyperVGenerationType of the VirtualMachine created from
-        /// the image. Possible values include: 'V1', 'V2'
+        /// Gets or sets specifies the HyperVGenerationType of the
+        /// VirtualMachine created from the image. From API Version 2019-03-01
+        /// if the image source is a blob, then we need the user to specify the
+        /// value, if the source is managed resource like disk or snapshot, we
+        /// may require the user to specify the property if we cannot deduce it
+        /// from the source managed resource. Possible values include: 'V1',
+        /// 'V2'
         /// </summary>
         [JsonProperty(PropertyName = "properties.hyperVGeneration")]
         public string HyperVGeneration { get; set; }
diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDataDisk.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDataDisk.cs
index cc8a8b640427..90d4eca7353c 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDataDisk.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDataDisk.cs
@@ -49,8 +49,8 @@ public ImageDataDisk()
         /// <param name="storageAccountType">Specifies the storage account type
         /// for the managed disk. NOTE: UltraSSD_LRS can only be used with data
         /// disks, it cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS',
-        /// 'UltraSSD_LRS'</param>
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'</param>
         /// <param name="diskEncryptionSet">Specifies the customer managed disk
         /// encryption set resource id for the managed image disk.</param>
         public ImageDataDisk(int lun, SubResource snapshot = default(SubResource), SubResource managedDisk = default(SubResource), string blobUri = default(string), CachingTypes? caching = default(CachingTypes?), int? diskSizeGB = default(int?), string storageAccountType = default(string), DiskEncryptionSetParameters diskEncryptionSet = default(DiskEncryptionSetParameters))
diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDisk.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDisk.cs
index 2136d9ab3e36..292fef651cad 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDisk.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageDisk.cs
@@ -45,8 +45,8 @@ public ImageDisk()
         /// <param name="storageAccountType">Specifies the storage account type
         /// for the managed disk. NOTE: UltraSSD_LRS can only be used with data
         /// disks, it cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS',
-        /// 'UltraSSD_LRS'</param>
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'</param>
         /// <param name="diskEncryptionSet">Specifies the customer managed disk
         /// encryption set resource id for the managed image disk.</param>
         public ImageDisk(SubResource snapshot = default(SubResource), SubResource managedDisk = default(SubResource), string blobUri = default(string), CachingTypes? caching = default(CachingTypes?), int? diskSizeGB = default(int?), string storageAccountType = default(string), DiskEncryptionSetParameters diskEncryptionSet = default(DiskEncryptionSetParameters))
@@ -110,7 +110,8 @@ public ImageDisk()
         /// Gets or sets specifies the storage account type for the managed
         /// disk. NOTE: UltraSSD_LRS can only be used with data disks, it
         /// cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS'
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'
         /// </summary>
         [JsonProperty(PropertyName = "storageAccountType")]
         public string StorageAccountType { get; set; }
diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageOSDisk.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageOSDisk.cs
index d85a6e103cd8..a6759d2be87c 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageOSDisk.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageOSDisk.cs
@@ -52,8 +52,8 @@ public ImageOSDisk()
         /// <param name="storageAccountType">Specifies the storage account type
         /// for the managed disk. NOTE: UltraSSD_LRS can only be used with data
         /// disks, it cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS',
-        /// 'UltraSSD_LRS'</param>
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'</param>
         /// <param name="diskEncryptionSet">Specifies the customer managed disk
         /// encryption set resource id for the managed image disk.</param>
         public ImageOSDisk(OperatingSystemTypes osType, OperatingSystemStateTypes osState, SubResource snapshot = default(SubResource), SubResource managedDisk = default(SubResource), string blobUri = default(string), CachingTypes? caching = default(CachingTypes?), int? diskSizeGB = default(int?), string storageAccountType = default(string), DiskEncryptionSetParameters diskEncryptionSet = default(DiskEncryptionSetParameters))
diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageUpdate.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageUpdate.cs
index 20e98317bbbb..8d9a073172fc 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageUpdate.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ImageUpdate.cs
@@ -40,9 +40,13 @@ public ImageUpdate()
         /// <param name="storageProfile">Specifies the storage settings for the
         /// virtual machine disks.</param>
         /// <param name="provisioningState">The provisioning state.</param>
-        /// <param name="hyperVGeneration">Gets the HyperVGenerationType of the
-        /// VirtualMachine created from the image. Possible values include:
-        /// 'V1', 'V2'</param>
+        /// <param name="hyperVGeneration">Specifies the HyperVGenerationType
+        /// of the VirtualMachine created from the image. From API Version
+        /// 2019-03-01 if the image source is a blob, then we need the user to
+        /// specify the value, if the source is managed resource like disk or
+        /// snapshot, we may require the user to specify the property if we
+        /// cannot deduce it from the source managed resource. Possible values
+        /// include: 'V1', 'V2'</param>
         public ImageUpdate(IDictionary<string, string> tags = default(IDictionary<string, string>), SubResource sourceVirtualMachine = default(SubResource), ImageStorageProfile storageProfile = default(ImageStorageProfile), string provisioningState = default(string), string hyperVGeneration = default(string))
             : base(tags)
         {
@@ -79,8 +83,13 @@ public ImageUpdate()
         public string ProvisioningState { get; private set; }
 
         /// <summary>
-        /// Gets the HyperVGenerationType of the VirtualMachine created from
-        /// the image. Possible values include: 'V1', 'V2'
+        /// Gets or sets specifies the HyperVGenerationType of the
+        /// VirtualMachine created from the image. From API Version 2019-03-01
+        /// if the image source is a blob, then we need the user to specify the
+        /// value, if the source is managed resource like disk or snapshot, we
+        /// may require the user to specify the property if we cannot deduce it
+        /// from the source managed resource. Possible values include: 'V1',
+        /// 'V2'
         /// </summary>
         [JsonProperty(PropertyName = "properties.hyperVGeneration")]
         public string HyperVGeneration { get; set; }
diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ManagedDiskParameters.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ManagedDiskParameters.cs
index 2048b4a85700..7042c7d19476 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ManagedDiskParameters.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/ManagedDiskParameters.cs
@@ -33,8 +33,8 @@ public ManagedDiskParameters()
         /// <param name="storageAccountType">Specifies the storage account type
         /// for the managed disk. NOTE: UltraSSD_LRS can only be used with data
         /// disks, it cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS',
-        /// 'UltraSSD_LRS'</param>
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'</param>
         /// <param name="diskEncryptionSet">Specifies the customer managed disk
         /// encryption set resource id for the managed disk.</param>
         public ManagedDiskParameters(string id = default(string), string storageAccountType = default(string), DiskEncryptionSetParameters diskEncryptionSet = default(DiskEncryptionSetParameters))
@@ -54,7 +54,8 @@ public ManagedDiskParameters()
         /// Gets or sets specifies the storage account type for the managed
         /// disk. NOTE: UltraSSD_LRS can only be used with data disks, it
         /// cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS'
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'
         /// </summary>
         [JsonProperty(PropertyName = "storageAccountType")]
         public string StorageAccountType { get; set; }
diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/StorageAccountTypes.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/StorageAccountTypes.cs
index 187a42f0ab6b..776f0f57f6cd 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/StorageAccountTypes.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/StorageAccountTypes.cs
@@ -20,5 +20,7 @@ public static class StorageAccountTypes
         public const string PremiumLRS = "Premium_LRS";
         public const string StandardSSDLRS = "StandardSSD_LRS";
         public const string UltraSSDLRS = "UltraSSD_LRS";
+        public const string PremiumZRS = "Premium_ZRS";
+        public const string StandardSSDZRS = "StandardSSD_ZRS";
     }
 }
diff --git a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/VirtualMachineScaleSetManagedDiskParameters.cs b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/VirtualMachineScaleSetManagedDiskParameters.cs
index ca640e2cd0e6..2cb366199f19 100644
--- a/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/VirtualMachineScaleSetManagedDiskParameters.cs
+++ b/sdk/compute/Microsoft.Azure.Management.Compute/src/Generated/Models/VirtualMachineScaleSetManagedDiskParameters.cs
@@ -34,8 +34,8 @@ public VirtualMachineScaleSetManagedDiskParameters()
         /// <param name="storageAccountType">Specifies the storage account type
         /// for the managed disk. NOTE: UltraSSD_LRS can only be used with data
         /// disks, it cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS',
-        /// 'UltraSSD_LRS'</param>
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'</param>
         /// <param name="diskEncryptionSet">Specifies the customer managed disk
         /// encryption set resource id for the managed disk.</param>
         public VirtualMachineScaleSetManagedDiskParameters(string storageAccountType = default(string), DiskEncryptionSetParameters diskEncryptionSet = default(DiskEncryptionSetParameters))
@@ -54,7 +54,8 @@ public VirtualMachineScaleSetManagedDiskParameters()
         /// Gets or sets specifies the storage account type for the managed
         /// disk. NOTE: UltraSSD_LRS can only be used with data disks, it
         /// cannot be used with OS Disk. Possible values include:
-        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS'
+        /// 'Standard_LRS', 'Premium_LRS', 'StandardSSD_LRS', 'UltraSSD_LRS',
+        /// 'Premium_ZRS', 'StandardSSD_ZRS'
         /// </summary>
         [JsonProperty(PropertyName = "storageAccountType")]
         public string StorageAccountType { get; set; }