--- title: "DENY Availability Group Permissions (Transact-SQL) | Microsoft Docs" ms.custom: "" ms.date: "05/15/2017" ms.prod: "sql-non-specified" ms.reviewer: "" ms.suite: "" ms.technology: - "database-engine" ms.tgt_pltfrm: "" ms.topic: "language-reference" dev_langs: - "TSQL" helpviewer_keywords: - "Availability Groups [SQL Server], permissions" - "permissions [SQL Server], availability group" - "DENY statement, availability groups" - "denying permissions, [SQL Server], availability groups" ms.assetid: bda60b36-a0b9-4c20-80c1-6a5cb1d638a5 caps.latest.revision: 12 author: "BYHAM" ms.author: "rickbyh" manager: "jhubbard" --- # DENY Availability Group Permissions (Transact-SQL) [!INCLUDE[tsql-appliesto-ss2012-xxxx-xxxx-xxx_md](../../includes/tsql-appliesto-ss2012-xxxx-xxxx-xxx-md.md)] Denies permissions on an Always On availability group in [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)]. ![Topic link icon](../../database-engine/configure-windows/media/topic-link.gif "Topic link icon") [Transact-SQL Syntax Conventions](../../t-sql/language-elements/transact-sql-syntax-conventions-transact-sql.md) ## Syntax ``` DENY permission [ ,...n ] ON AVAILABILITY GROUP :: availability_group_name TO < server_principal > [ ,...n ] [ CASCADE ] [ AS SQL_Server_login ] ::= SQL_Server_login | SQL_Server_login_from_Windows_login | SQL_Server_login_from_certificate | SQL_Server_login_from_AsymKey ``` ## Arguments *permission* Specifies a permission that can be denied on an availability group. For a list of the permissions, see the Remarks section later in this topic. ON AVAILABILITY GROUP **::***availability_group_name* Specifies the availability group on which the permission is being denied. The scope qualifier (**::**) is required. TO \ Specifies the [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] login to which the permission is being denied. *SQL_Server_login* Specifies the name of a [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] login. *SQL_Server_login_from_Windows_login* Specifies the name of a [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] login created from a Windows login. *SQL_Server_login_from_certificate* Specifies the name of a [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] login mapped to a certificate. *SQL_Server_login_from_AsymKey* Specifies the name of a [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] login mapped to an asymmetric key. CASCADE Indicates that the permission being denied is also denied to other principals to which it has been granted by this principal. AS *SQL_Server_login* Specifies the [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] login from which the principal executing this query derives its right to deny the permission. ## Remarks Permissions at the server scope can be denied only when the current database is **master**. Information about availability groups is visible in the [sys.availability_groups (Transact-SQL)](../../relational-databases/system-catalog-views/sys-availability-groups-transact-sql.md) catalog view. Information about server permissions is visible in the [sys.server_permissions](../../relational-databases/system-catalog-views/sys-server-permissions-transact-sql.md) catalog view, and information about server principals is visible in the [sys.server_principals](../../relational-databases/system-catalog-views/sys-server-principals-transact-sql.md) catalog view. An availability group is a server-level securable. The most specific and limited permissions that can be denied on an availability group are listed in the following table, together with the more general permissions that include them by implication. |Availability group permission|Implied by availability group permission|Implied by server permission| |-----------------------------------|----------------------------------------------|----------------------------------| |ALTER|CONTROL|ALTER ANY AVAILABILITY GROUP| |CONNECT|CONTROL|CONTROL SERVER| |CONTROL|CONTROL|CONTROL SERVER| |TAKE OWNERSHIP|CONTROL|CONTROL SERVER| |VIEW DEFINITION|CONTROL|VIEW ANY DEFINITION| ## Permissions Requires CONTROL permission on the availability group or ALTER ANY AVAILABILTIY GROUP permission on the server. ## Examples ### A. Denying VIEW DEFINITION permission on an availability group The following example denies `VIEW DEFINITION` permission on availability group `MyAg` to [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] login `ZArifin`. ``` USE master; DENY VIEW DEFINITION ON AVAILABILITY GROUP::MyAg TO ZArifin; GO ``` ### B. Denying TAKE OWNERSHIP permission with the CASCADE OPTION The following example denies `TAKE OWNERSHIP` permission on availability group `MyAg` to [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] user `PKomosinski` with the `CASCADE` option. ``` USE master; DENY TAKE OWNERSHIP ON AVAILABILITY GROUP::MyAg TO PKomosinski CASCADE; GO ``` ## See Also [REVOKE Availability Group Permissions (Transact-SQL)](../../t-sql/statements/revoke-availability-group-permissions-transact-sql.md) [GRANT Availability Group Permissions (Transact-SQL)](../../t-sql/statements/grant-availability-group-permissions-transact-sql.md) [CREATE AVAILABILITY GROUP (Transact-SQL)](../../t-sql/statements/create-availability-group-transact-sql.md) [sys.availability_groups (Transact-SQL)](../../relational-databases/system-catalog-views/sys-availability-groups-transact-sql.md) [Always On Availability Groups Catalog Views (Transact-SQL)](../../relational-databases/system-catalog-views/always-on-availability-groups-catalog-views-transact-sql.md) [Permissions (Database Engine)](../../relational-databases/security/permissions-database-engine.md) [Principals (Database Engine)](../../relational-databases/security/authentication-access/principals-database-engine.md)