Microsoft’s Bing Down for 45 Minutes

Internal Testing Mistake Blamed

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Microsoft’s Bing.com search engine is facing a mini PR crisis after going down for 45 minutes last night starting at 7:10 PST. Microsoft used its Twitter account and blog to keep Bing visitors and fans informed:

From Twitter:



  2. we’re aware and looking into it…stay tuned ^az
  3. back up now ^az
  4. Details to come once we have the full picture. Thanks all for your patience ^az

About our outage earlierhttp://bit.ly/5LiIXN No worries if you didn’t notice – carry on with your bing ways :) ^az


Late last night Bing clarified what caused the outage on the Bing blog:

a note about today’s outage

December 03, 2009, 10:49 PM by bingteam

Bing.com was down between about 6:30 and 7:00 PM Pacific Time on Dec 3, 2009. During this time, users were either unable to get to the site, or their queries were returning incomplete results page. 

The cause of the outage was a configuration change during some internal testing that had unfortunate and unintended consequences. 

As soon as the issue was detected, the change was rolled back, which caused the site to return to normal behavior. Unfortunately the detection and rollback took about half an hour, and during that time users were unable to use bing.com. 

We strive to maintain a high standard of operational excellence at Bing. We are running a post mortem to find out how our software and processes need to be improved to prevent anything like this from happening again. 

Satya Nadella 
Senior Vice President, Online Services Division


Note: A Bing representitive has not at this point responded to our request for further information.


Microsoft’s Bing Down for 45 Minutes
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  • Guest

    HAHA! dude Rich where did you get your info from? Its just funny to me how in next few days I will probably see articles stating that now Bing was down for 1 freaking hour! wow (every one say”booo!” guys). Because I was there and I watched it go down and up and it really was within 25 minute period but its funny how people over-exaggerate things, including all those blogers who kept on posting that Windows 7 new patches caused “Black Screen of Death” for days later after Prevx themselves confirmed that they thew a false warning. Wow this is pathetic, and I cant rely anymore on writers like you Rich, sorry.

  • Guest

    This is another fumble by Microsoft that I believe will make many companies rethink many of Microsoft’s services. How long they were down is not the issue. After the huge debacle with the Sidekick, which literally destroyed a product line for T-Mobile, they have something like this happen. It may have only been for a short time. However, it makes me wonder even more if we can rely on them for services.

  • http://www.kennychronicles.com Garrett Williams

    I only clicked the link to find out why this is considered news. Still not sure. Not even an hour?

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