[SQL Server] SA密码无法清除，提示未能找到存储过程'sp_password'

提示未能找到存储过程“master.dbo.password”

执行以下脚本：

create procedure sp_password

    @old sysname = NULL,        -- the old (current) password

    @new sysname,               -- the new password

    @loginame sysname = NULL    -- user to change password on

as

    -- SETUP RUNTIME OPTIONS / DECLARE VARIABLES --

 set nocount on

    declare @self int

    select @self = CASE WHEN @loginame is null THEN 1 ELSE 2 END
    -- RESOLVE LOGIN NAME

    if @loginame is null

        select @loginame = suser_sname()
    -- CHECK PERMISSIONS (SecurityAdmin per Richard Waymire) --

 IF (not is_srvrolemember('securityadmin') = 1)

        AND not @self = 1

 begin

    dbcc auditevent (107, @self, 0, @loginame, NULL, NULL, NULL)

    raiserror(15210,-1,-1)

    return (1)

 end

 ELSE

 begin

    dbcc auditevent (107, @self, 1, @loginame, NULL, NULL, NULL)

 end
    -- DISALLOW USER TRANSACTION --

 set implicit_transactions off

 IF (@@trancount > 0)

 begin

  raiserror(15002,-1,-1,'sp_password')

  return (1)

 end
    -- RESOLVE LOGIN NAME (disallows nt names)

    if not exists (select * from master.dbo.syslogins where

                    loginname = @loginame and isntname = 0)

 begin

  raiserror(15007,-1,-1,@loginame)

  return (1)

 end
 -- IF non-SYSADMIN ATTEMPTING CHANGE TO SYSADMIN, REQUIRE PASSWORD (218078) --

 if (@self <> 1 AND is_srvrolemember('sysadmin') = 0 AND exists

   (SELECT * FROM master.dbo.syslogins WHERE loginname = @loginame and isntname = 0

    AND sysadmin = 1) )

  SELECT @self = 1
    -- CHECK OLD PASSWORD IF NEEDED --

    if (@self = 1 or @old is not null)

        if not exists (select * from master.dbo.sysxlogins

                        where srvid IS NULL and

            name = @loginame and

                     ( (@old is null and password is null) or

                              (pwdcompare(@old, password, (CASE WHEN xstatus&2048 = 2048 THEN 1 ELSE 0 END)) = 1) )   )

        begin

      raiserror(15211,-1,-1)

      return (1)

     end
    -- CHANGE THE PASSWORD --

    update master.dbo.sysxlogins

 set password = convert(varbinary(256), pwdencrypt(@new)), xdate2 = getdate(), xstatus = xstatus & (~2048)

 where name = @loginame and srvid IS NULL
 -- UPDATE PROTECTION TIMESTAMP FOR MASTER DB, TO INDICATE SYSLOGINS CHANGE --

 exec('use master grant all to null')
    -- FINALIZATION: RETURN SUCCESS/FAILURE --

 if @@error <> 0

        return (1)

    raiserror(15478,-1,-1)

 return  (0) -- sp_password