diff --git a/services/databox/mgmt/2018-01-01/databox/client.go b/services/databox/mgmt/2018-01-01/databox/client.go
index c21569ceca0a..59be9521def0 100644
--- a/services/databox/mgmt/2018-01-01/databox/client.go
+++ b/services/databox/mgmt/2018-01-01/databox/client.go
@@ -1,4 +1,4 @@
-// Package databox implements the Azure ARM Databox service API version 2018-01-01.
+// Package databox implements the Azure ARM Databox service API version 2018-01-01-preview.
 //
 //
 package databox
diff --git a/services/databox/mgmt/2018-01-01/databox/jobs.go b/services/databox/mgmt/2018-01-01/databox/jobs.go
index aa77baeebf2c..792c6b5a3d56 100644
--- a/services/databox/mgmt/2018-01-01/databox/jobs.go
+++ b/services/databox/mgmt/2018-01-01/databox/jobs.go
@@ -99,7 +99,7 @@ func (client JobsClient) BookShipmentPickUpPreparer(ctx context.Context, resourc
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -190,7 +190,7 @@ func (client JobsClient) CancelPreparer(ctx context.Context, resourceGroupName s
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -289,7 +289,7 @@ func (client JobsClient) CreatePreparer(ctx context.Context, resourceGroupName s
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -377,7 +377,7 @@ func (client JobsClient) DeletePreparer(ctx context.Context, resourceGroupName s
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -469,7 +469,7 @@ func (client JobsClient) GetPreparer(ctx context.Context, resourceGroupName stri
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -547,7 +547,7 @@ func (client JobsClient) ListPreparer(ctx context.Context, skipToken string) (*h
 		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -664,7 +664,7 @@ func (client JobsClient) ListByResourceGroupPreparer(ctx context.Context, resour
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -790,7 +790,7 @@ func (client JobsClient) ListCredentialsPreparer(ctx context.Context, resourceGr
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -873,7 +873,7 @@ func (client JobsClient) UpdatePreparer(ctx context.Context, resourceGroupName s
 		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
diff --git a/services/databox/mgmt/2018-01-01/databox/models.go b/services/databox/mgmt/2018-01-01/databox/models.go
index 29969e715e78..13edc8d1f020 100644
--- a/services/databox/mgmt/2018-01-01/databox/models.go
+++ b/services/databox/mgmt/2018-01-01/databox/models.go
@@ -732,9 +732,8 @@ type CopyProgress struct {
 	// StorageAccountName - Name of the storage account where the data needs to be uploaded.
 	StorageAccountName *string `json:"storageAccountName,omitempty"`
 	// AccountID - Id of the account where the data needs to be uploaded.
-	AccountID *string `json:"accountId,omitempty"`
-	// BytesSentToCloud - Amount of data uploaded by the job as of now.
-	BytesSentToCloud *int64 `json:"bytesSentToCloud,omitempty"`
+	AccountID        *string `json:"accountId,omitempty"`
+	BytesSentToCloud *string `json:"bytesSentToCloud,omitempty"`
 	// TotalBytesToProcess - Total amount of data to be processed by the job.
 	TotalBytesToProcess *int64 `json:"totalBytesToProcess,omitempty"`
 	// FilesProcessed - Number of files processed by the job as of now.
diff --git a/services/databox/mgmt/2018-01-01/databox/operations.go b/services/databox/mgmt/2018-01-01/databox/operations.go
index 7d3cfbdb2696..8347a5a1cd2a 100644
--- a/services/databox/mgmt/2018-01-01/databox/operations.go
+++ b/services/databox/mgmt/2018-01-01/databox/operations.go
@@ -76,7 +76,7 @@ func (client OperationsClient) List(ctx context.Context) (result OperationListPa
 
 // ListPreparer prepares the List request.
 func (client OperationsClient) ListPreparer(ctx context.Context) (*http.Request, error) {
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
diff --git a/services/databox/mgmt/2018-01-01/databox/service.go b/services/databox/mgmt/2018-01-01/databox/service.go
index 603e47e2c9fb..9f327d292d12 100644
--- a/services/databox/mgmt/2018-01-01/databox/service.go
+++ b/services/databox/mgmt/2018-01-01/databox/service.go
@@ -93,7 +93,7 @@ func (client ServiceClient) ListAvailableSkusPreparer(ctx context.Context, locat
 		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
@@ -218,7 +218,7 @@ func (client ServiceClient) ValidateAddressMethodPreparer(ctx context.Context, l
 		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
 	}
 
-	const APIVersion = "2018-01-01"
+	const APIVersion = "2018-01-01-preview"
 	queryParameters := map[string]interface{}{
 		"api-version": APIVersion,
 	}
diff --git a/services/databox/mgmt/2018-01-01/databox/version.go b/services/databox/mgmt/2018-01-01/databox/version.go
index 45b38daa0586..fd05b92872dd 100644
--- a/services/databox/mgmt/2018-01-01/databox/version.go
+++ b/services/databox/mgmt/2018-01-01/databox/version.go
@@ -21,7 +21,7 @@ import "github.com/Azure/azure-sdk-for-go/version"
 
 // UserAgent returns the UserAgent string to use when sending http.Requests.
 func UserAgent() string {
-	return "Azure-SDK-For-Go/" + version.Number + " databox/2018-01-01"
+	return "Azure-SDK-For-Go/" + version.Number + " databox/2018-01-01-preview"
 }
 
 // Version returns the semantic version (see http://semver.org) of the client.