• Outlook went down for four hours yesterday. What happened? How did Microsoft fix it?

    Spoiler: No, there was no buggy update. No emergency patch. Just sheer incompetence.

    Microsoft promises to give us details in five days, after the rage has died down. (I bet it takes that long for the PR folks and Legal to give an OK to whatever excuse is offered.)

    Here’s what apparently happened, based on an anonymous post and some great sleuthing by @NetDef.

    Details in Computerworld Woody on Windows.