Postmortems

The day shell.windows.com went down

From Raymond Chen’s oldnewthing blog, here:

Everybody had forgotten that shell.windows.com was still running on a computer under that programmer’s desk. It had done such a good job up until now that nobody gave it a second thought.

via the discussion
Ask HN: Are there forgotten servers out there?
which has more stories (a few of which may be apocryphal)