---
title: "The Microsoft Full-Text Engine for SQL Server will not load unsigned third-party components by default | Microsoft Docs"
ms.custom: ""
ms.date: "03/06/2017"
ms.prod: "sql-server-2014"
ms.reviewer: ""
ms.technology: "database-engine"
ms.topic: conceptual
helpviewer_keywords: 
  - "Full-Text Engine for SQL service"
  - "MSFTESQL service"
ms.assetid: 029f9895-7232-4149-9362-3ab1a4133d21
author: mashamsft
ms.author: mathoma
manager: craigg
---
# The Microsoft Full-Text Engine for SQL Server will not load unsigned third-party components by default
  By default, [!INCLUDE[msCoName](../../includes/msconame-md.md)] Full-Text Engine for [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] will not load components that are not signed by [!INCLUDE[msCoName](../../includes/msconame-md.md)].  
  
## Component  
 Full-Text Search  
  
## Description  
 A third-party filter, such as a PDF filter, that is currently installed on the server will not be loaded by the [!INCLUDE[msCoName](../../includes/msconame-md.md)] Full-Text Engine for [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] by default after upgrade.  
  
## Corrective Action  
 To load a third party filter, you must set *load_os_resource* and turn off *verify_signature* on that instance.  
  
## See Also  
 [Working with Upgrade Advisor](../../../2014/sql-server/install/working-with-upgrade-advisor.md)