So your outlook 2010 isn’t indexing anymore?  Windows Search Email Indexer in Outlook 2010 remains disabled? You don’t have enough time to find out what’s wrong?

Try the FixIt solution on Microsoft Support site!  To easy, don’t think, this is self healing windows stuff…

Open up your facebook profile. Then go to “View All”. 

At the bottom you will have a link: “export events” as shown on the screenshot below.  Click this link.

A dialog window will open. 

Click the link, and your outlook will contain now also your facebook events.