Azure tripped over 29 February
How adding 1 to the year on 29 February 2012 broke certificate creation on Windows Azure, and how its own self-healing spread the bug from server to server.
01 · A date that doesn't exist
WS · Windows Azure tripped over 29 February
29 February 2013 doesn't exist.
A certificate, valid one year
Every virtual machine on Windows Azure ran a small program, the guest agent.
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