At approximately 14:25 on Tuesday October 17th, Edublogs returned a 404 error when someone attempted to use it. You may have also encountered a strange .php file error that looked something like this:
According to our external Edublogs-providers, there was a code update running that unexpectedly affected our network. The update was killed and the network was brought back online.
The blogs were down for only 30 minutes after the problem was discovered.