diff --git a/profiles/preview/preview/netapp/mgmt/netapp/models.go b/profiles/preview/preview/netapp/mgmt/netapp/models.go
index c834f58052fe..9d55065ea8da 100644
--- a/profiles/preview/preview/netapp/mgmt/netapp/models.go
+++ b/profiles/preview/preview/netapp/mgmt/netapp/models.go
@@ -40,7 +40,7 @@ type AccountProperties = original.AccountProperties
 type AccountsClient = original.AccountsClient
 type AccountsCreateOrUpdateFuture = original.AccountsCreateOrUpdateFuture
 type AccountsDeleteFuture = original.AccountsDeleteFuture
-type ActiveDirectories = original.ActiveDirectories
+type ActiveDirectory = original.ActiveDirectory
 type BaseClient = original.BaseClient
 type CapacityPool = original.CapacityPool
 type CapacityPoolList = original.CapacityPoolList
@@ -75,7 +75,9 @@ type Volume = original.Volume
 type VolumeList = original.VolumeList
 type VolumePatch = original.VolumePatch
 type VolumePatchProperties = original.VolumePatchProperties
+type VolumePatchPropertiesExportPolicy = original.VolumePatchPropertiesExportPolicy
 type VolumeProperties = original.VolumeProperties
+type VolumePropertiesExportPolicy = original.VolumePropertiesExportPolicy
 type VolumesClient = original.VolumesClient
 type VolumesCreateOrUpdateFuture = original.VolumesCreateOrUpdateFuture
 type VolumesDeleteFuture = original.VolumesDeleteFuture
diff --git a/services/preview/netapp/mgmt/2017-08-15/netapp/models.go b/services/preview/netapp/mgmt/2017-08-15/netapp/models.go
index ab918840e5dc..883e226f0370 100644
--- a/services/preview/netapp/mgmt/2017-08-15/netapp/models.go
+++ b/services/preview/netapp/mgmt/2017-08-15/netapp/models.go
@@ -276,7 +276,7 @@ type AccountProperties struct {
 	// ProvisioningState - Azure lifecycle management
 	ProvisioningState *string `json:"provisioningState,omitempty"`
 	// ActiveDirectories - Active Directories
-	ActiveDirectories *ActiveDirectories `json:"activeDirectories,omitempty"`
+	ActiveDirectories *[]ActiveDirectory `json:"activeDirectories,omitempty"`
 }
 
 // AccountsCreateOrUpdateFuture an abstraction for monitoring and retrieving the results of a long-running
@@ -331,8 +331,8 @@ func (future *AccountsDeleteFuture) Result(client AccountsClient) (ar autorest.R
 	return
 }
 
-// ActiveDirectories active Directories
-type ActiveDirectories struct {
+// ActiveDirectory active Directory
+type ActiveDirectory struct {
 	// ActiveDirectoryID - Id of the Active Directory
 	ActiveDirectoryID *string `json:"activeDirectoryId,omitempty"`
 	// Username - Username of Active Directory domain administrator
@@ -1363,7 +1363,12 @@ type VolumePatchProperties struct {
 	// UsageThreshold - Maximum storage quota allowed for a file system in bytes. This is a soft quota used for alerting only. Minimum size is 100 GiB. Upper limit is 100TiB.
 	UsageThreshold *int64 `json:"usageThreshold,omitempty"`
 	// ExportPolicy - Export policy rule
-	ExportPolicy *ExportPolicyRule `json:"exportPolicy,omitempty"`
+	ExportPolicy *VolumePatchPropertiesExportPolicy `json:"exportPolicy,omitempty"`
+}
+
+// VolumePatchPropertiesExportPolicy export policy rule
+type VolumePatchPropertiesExportPolicy struct {
+	Rules *[]ExportPolicyRule `json:"rules,omitempty"`
 }
 
 // VolumeProperties volume properties
@@ -1377,13 +1382,18 @@ type VolumeProperties struct {
 	// UsageThreshold - Maximum storage quota allowed for a file system in bytes. This is a soft quota used for alerting only. Minimum size is 100 GiB. Upper limit is 100TiB.
 	UsageThreshold *int64 `json:"usageThreshold,omitempty"`
 	// ExportPolicy - Export policy rule
-	ExportPolicy *ExportPolicyRule `json:"exportPolicy,omitempty"`
+	ExportPolicy *VolumePropertiesExportPolicy `json:"exportPolicy,omitempty"`
 	// ProvisioningState - Azure lifecycle management
 	ProvisioningState *string `json:"provisioningState,omitempty"`
 	// SubnetID - The Azure Resource URI for a delegated subnet. Must have the delegation Microsoft.NetApp/volumes
 	SubnetID *string `json:"subnetId,omitempty"`
 }
 
+// VolumePropertiesExportPolicy export policy rule
+type VolumePropertiesExportPolicy struct {
+	Rules *[]ExportPolicyRule `json:"rules,omitempty"`
+}
+
 // VolumesCreateOrUpdateFuture an abstraction for monitoring and retrieving the results of a long-running
 // operation.
 type VolumesCreateOrUpdateFuture struct {