您可能需要将该帐户添加到 sysadmin 服务器角色，这允许成员执行所有活动.

You might need to add the account to the sysadmin server role, which allows a member to perform every activity.

对于 2008r2，执行以下命令:

For 2008r2, execute this command:

EXEC sp_addsrvrolemember 'NT AUTHORITY\SYSTEM', 'sysadmin';