--- title: "Breaking changes in SQL Server Reporting Services in SQL Server 2016 | Microsoft Docs" ms.date: 07/02/2017 ms.prod: reporting-services ms.prod_service: "reporting-services-native" ms.technology: reporting-services ms.topic: conceptual helpviewer_keywords: - "Me.Value references" - "Reporting Services, backward compatibility" - "breaking changes [Reporting Services]" ms.assetid: 39c7aafd-dcb9-4317-b8f7-d15828eb4f9a author: maggiesMSFT ms.author: maggies --- # Breaking changes in SQL Server Reporting Services in SQL Server 2016 [!INCLUDE [ssrs-appliesto](../includes/ssrs-appliesto.md)] [!INCLUDE [ssrs-appliesto-2016](../includes/ssrs-appliesto-2016.md)] [!INCLUDE [ssrs-appliesto-not-2017](../includes/ssrs-appliesto-not-2017.md)] [!INCLUDE [ssrs-appliesto-not-pbirs](../includes/ssrs-appliesto-not-pbirs.md)] [!INCLUDE [ssrs-previous-versions](../includes/ssrs-previous-versions.md)] This topic describes breaking changes in [!INCLUDE[ssRSnoversion](../includes/ssrsnoversion-md.md)]. These changes might break applications, scripts, or functionalities that are based on earlier versions of [!INCLUDE[ssNoVersion](../includes/ssnoversion-md.md)]. You might encounter these issues when you upgrade, or in custom scripts or reports. ## Security Extensions Custom security extensions need some modification to work with the new [!INCLUDE[ssRSWebPortal](../includes/ssrswebportal.md)]. Security extensions need to use the IAuthenticationExtension2 interface. ## WMI Provider The [!INCLUDE[ssRSWebPortal](../includes/ssrswebportal.md)] application name changes from "ReportManager" to "ReportServerWebApp". ## Next steps [Behavior changes to SQL Server Reporting Services in SQL Server 2016](../reporting-services/behavior-changes-to-sql-server-reporting-services-in-sql-server-2016.md) [What's New in Reporting Services (SSRS)](../reporting-services/what-s-new-in-sql-server-reporting-services-ssrs.md) [Deprecated features in SQL Server Reporting Services in SQL Server 2016](../reporting-services/deprecated-features-in-sql-server-reporting-services-ssrs.md) [Discontinued functionality to SQL Server Reporting Services in SQL Server 2016](../reporting-services/discontinued-functionality-to-sql-server-reporting-services-in-sql-server.md) More questions? [Try asking the Reporting Services forum](https://go.microsoft.com/fwlink/?LinkId=620231)