This trick I learned from my one of ex-college. In Windows servers, only two remote desktop sessions allowed with administrative access. There are situations, you can't connect to the server via remote desktop because of two sessions already active.
安装 Active Directory 管理工具 To manage your directory from an EC2 Windows instance, you need to install the Active Directory Domain Services and Active Directory Lightweight Directory Services Tools on the instance. 主题 Install the Active Directory Admini