--- title: "Security Properties | Microsoft Docs" ms.custom: "" ms.date: "06/13/2017" ms.prod: "sql-server-2014" ms.reviewer: "" ms.technology: "analysis-services" ms.topic: conceptual helpviewer_keywords: - "security [Analysis Services], properties" - "SecurityPackageList property" - "BuiltinAdminsAreServerAdmins property" - "DisableClientImpersonation property" - "ErrorMessageMode property" - "RequiredProtectionLevel property" - "ServiceAccountIsServerAdmin property" - "RequireClientAuthentication property" ms.assetid: 2fc7fe10-0cbb-49ac-aa8c-8ec3f7a7705f author: minewiskan ms.author: owend manager: craigg --- # Security Properties [!INCLUDE[ssASnoversion](../../includes/ssasnoversion-md.md)] supports the security server properties listed in the following table. For more information about additional server properties and how to set them, see [Configure Server Properties in Analysis Services](server-properties-in-analysis-services.md). **Applies to:** Multidimensional and Tabular server mode ## Properties `RequireClientAuthentication` A Boolean property that indicates whether client authentication is required. The default value for this property is True, which indicates that client authentication is required. `SecurityPackageList` A string property that contains a comma-separated list of SSPI packages used by server for client authentication. `DisableClientImpersonation` A Boolean property that indicates whether client impersonation (for example, from stored procedures) is disabled. The default value for this property is False, which indicates that client impersonation is enabled. `BuiltinAdminsAreServerAdmins` A Boolean property that indicates whether members of the local machine administrators group are [!INCLUDE[ssASnoversion](../../includes/ssasnoversion-md.md)] administrators. `ServiceAccountIsServerAdmin` A Boolean property that indicates whether the service account is a server administrator. The default value for this property is True, which indicates that the service account is a server administrator. `ErrorMessageMode` An advanced property that you should not change, except under the guidance of [!INCLUDE[msCoName](../../includes/msconame-md.md)] support. `DataProtection\ RequiredProtectionLevel` A signed 32-bit integer property that defines the required protection level for all client requests. This property has one of the values listed in the following table. |Value|Description| |-----------|-----------------| |*0*|None, clear text allowed.| |*1*|(Default) Encryption required, no clear-text logging.| |*2*|Clear-text requests allowed but only with signatures (weaker protection than encryption).| `AdministrativeDataProtection\ RequiredProtectionLevel` An advanced property that you should not change, except under the guidance of [!INCLUDE[msCoName](../../includes/msconame-md.md)] support. ## See Also [Configure Server Properties in Analysis Services](server-properties-in-analysis-services.md) [Determine the Server Mode of an Analysis Services Instance](../instances/determine-the-server-mode-of-an-analysis-services-instance.md)