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

title	Include Witness Server (Configure Database Mirroring Security Wizard) | Microsoft Docs
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ms.date	03/07/2017
ms.prod	sql
ms.prod_service	high-availability
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ms.suite	sql
ms.technology	high-availability
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ms.topic	conceptual
f1_keywords	sql13.swb.configdbmsecurwiz.inclwitness.f1
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author	MikeRayMSFT
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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