--- title: "Include Witness Server (Configure Database Mirroring Security Wizard)" description: Describes the 'Include Witness Server' page of the 'Configure Database Mirroring Security' Wizard within the SQL Server Management Studio (SSMS) GUI. ms.custom: seo-lt-2019 ms.date: "03/07/2017" ms.prod: sql ms.prod_service: high-availability ms.reviewer: "" ms.technology: high-availability ms.topic: conceptual f1_keywords: - "sql13.swb.configdbmsecurwiz.inclwitness.f1" ms.assetid: f04b38a4-f4e2-4d4c-bdac-7cc70e5a5684 author: MikeRayMSFT ms.author: mikeray --- # Include Witness Server (Configure Database Mirroring Security Wizard) [!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)] 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)](../../database-engine/database-mirroring/establish-database-mirroring-session-windows-authentication.md) - [Start the Configuring Database Mirroring Security Wizard (SQL Server Management Studio)](../../database-engine/database-mirroring/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-engine/database-mirroring/database-mirroring-sql-server.md) [Database Mirroring Witness](../../database-engine/database-mirroring/database-mirroring-witness.md)