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问题描述： 新装的群辉DSM5.2刚打开SSH功能，刚连上去就自动断开了，报错如下：
Connecting to 192.168.0.81:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.
Your account has expired; please contact your system administrator
Connection closing...Socket close.
Connection closed by foreign host.
Disconnected from remote host(work_NAS) at 16:03:17.
Type `help' to learn how to use Xshell prompt.
解决办法： 登录群辉桌面，然后将admin账号启用，通过admin账号登录SSH就不会有问题了！
操作步骤如下图：
最终效果如下：
Connecting to 192.168.0.81:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.
WARNING! The remote SSH server rejected X11 forwarding request.
Could not chdir to home directory /var/services/homes/admin: No such file or directory
BusyBox v1.16.1 (2016-04-26 17:25:22 CST) built-in shell (ash)
Enter 'help' for a list of built-in commands.
love421_NAS>