So today I have decided to upgrade my VS2012 to VS2013 at home. Luckily, I had an Ultimate Edition laying around, so I could get access to all the goodness that Microsoft has for it's fans and followers.
Right after installing the VS2013 I opened my solution, and started exploring new features. At some point I realized that none of the buttons that were referring to the Code Map feature did anything. No errors, no messages, no other actions in response to my clicks on those menu items.
I googled a bit, but I could not find any useful information. So I started thinking, and in a minute I realized that I have not been asked for the license key yet and that might be somehow related, as this feature is only available in Ultimate edition and so developers probably have tons of checks all over the place to ensure that user has the right to use that feature.
So I went into Help->About->Product License Information and registered a product.
Ta-daam, the Code Map works now just fine. This made my day a bit better.