Update troubleshooting-shared-images.md

-------
cc: @axayjo

Author: mimckitt

articles/virtual-machine-scale-sets/troubleshooting-shared-images.md

@@ -3,13 +3,15 @@ title: Troubleshoot issues with shared images in Azure
 description: Learn how to troubleshoot issues with shared image galleries in Azure virtual machines scale sets.
 documentationcenter: virtual-machine-scale-sets
 author: axayjo
-tags: azure-resource-manager
+ms.author: akjosh
+ms.topic: troubleshooting
 ms.service: virtual-machine-scale-sets
-ms.topic: conceptual
-ms.workload: infrastructure
+ms.subservice: imaging
 ms.date: 04/25/2019
 ms.author: akjosh
 ms.reviewer: cynthn
+ms.custom: akjosh
+
 ---