If you are backing up the existing OS via a serial link, be patient: it took approximately 15 minutes on my machine.

如果您通过一个串行链接备份现在的操作系统，请耐心：在我的机器上这需要大约15分钟。

youdao

This managed system name is guaranteed to be enterprise-wide unique since it contains the serial number of the physical machine.

因为这个受管理系统名包含物理机器的序号，所以确保它在整个企业范围内是惟一的。

youdao

The only way I have found to recover from this is to either log into the machine via the serial port and kill off the lock program, or hard-reboot the machine.

我发现，要解决此问题，只能通过串口登录到机器，然后杀死锁程序，或者强行重新引导机器。

youdao

Oddly enough, the teen in question jacked the console and left the oh-so-critical power cable behind, but instead of devising yet another heist, he simply phoned Microsoft, gave out all his credentials (including the machine's serial number), and awaited the cable.

ENGADGET: New Zealand teen jacks Xbox 360, divulges credentials to Microsoft