include-witness-server-configure-database-mirroring-security-wizard.md

title	Include Witness Server (Configure Database Mirroring Security Wizard) | Microsoft Docs
ms.custom
ms.date	03/07/2017
ms.prod	sql
ms.prod_service	high-availability
ms.component	database-mirroring
ms.reviewer
ms.suite	sql
ms.technology	high-availability
ms.tgt_pltfrm
ms.topic	conceptual
f1_keywords	sql13.swb.configdbmsecurwiz.inclwitness.f1
ms.assetid	f04b38a4-f4e2-4d4c-bdac-7cc70e5a5684
caps.latest.revision	32
author	MikeRayMSFT
ms.author	mikeray
manager	craigg

Include Witness Server (Configure Database Mirroring Security Wizard)

[!INCLUDEappliesto-ss-xxxx-xxxx-xxx-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)

• Start the Configuring Database Mirroring Security Wizard (SQL Server Management Studio)

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)
Database Mirroring (SQL Server)
Database Mirroring Witness