--- title: "Include Witness Server (Configure Database Mirroring Security Wizard) | Microsoft Docs" ms.custom: "" ms.date: "06/13/2017" ms.prod: "sql-server-2014" ms.reviewer: "" ms.technology: high-availability ms.topic: conceptual f1_keywords: - "sql12.swb.configdbmsecurwiz.inclwitness.f1" ms.assetid: f04b38a4-f4e2-4d4c-bdac-7cc70e5a5684 author: MikeRayMSFT ms.author: mikeray manager: craigg --- # Include Witness Server (Configure Database Mirroring Security Wizard) Use this page to specify whether you want to include a witness server in this security configuration for database mirroring. **To configure database mirroring by using SQL Server Management Studio** - [Establish a Database Mirroring Session Using Windows Authentication (SQL Server Management Studio)](establish-database-mirroring-session-windows-authentication.md) - [Start the Configuring Database Mirroring Security Wizard (SQL Server Management Studio)](start-the-configuring-database-mirroring-security-wizard.md) ## Options **Yes** Click to include a witness server instance in the security configuration. The witness is necessary for high-safety mode with automatic failover, which supports automatic failover to the mirror server instance if the principal server instance fails. **No** Click to configure security without a witness. ## See Also [Database Properties (Mirroring Page)](../../relational-databases/databases/database-properties-mirroring-page.md) [Database Mirroring (SQL Server)](database-mirroring-sql-server.md) [Database Mirroring Witness](database-mirroring-witness.md)