sp_grantlogin (Transact-SQL)
Applies to: 
SQL Server
Creates a SQL Server login.
Important
This feature will be removed in a future version of SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature. Use CREATE LOGIN instead.
Transact-SQL syntax conventions
Syntax
sp_grantlogin [ @loginame = ] N'loginame'
[ ; ]
Arguments
[ @loginame = ] N'loginame'
The name of a Windows user or group. @loginame is sysname, with no default. The Windows user or group must be qualified with a Windows domain name in the form <domain>\<user>; for example, London\Joeb.
Return code values
0 (success) or 1 (failure).
Remarks
sp_grantlogin calls CREATE LOGIN, which supports extra options. For information on creating SQL Server logins, see CREATE LOGIN
sp_grantlogin can't be executed within a user-defined transaction.
Permissions
Requires membership in the securityadmin fixed server role.
Examples
The following example uses CREATE LOGIN to create a SQL Server login for the Windows user Corporate\BobJ, which is the preferred method.
CREATE LOGIN [Corporate\BobJ] FROM WINDOWS;
GO