---
title: "Include Witness Server (Configure Database Mirroring Security Wizard) | Microsoft Docs"
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ms.date: "03/07/2017"
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---
# 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)](../../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)