Attempt to connect to my database from another DH hosted domain

I received several errors from my vBulletin forum during the night because a the user at tried and failed to connect to the database that runs the forum at

I see that is hosted by Dreamhost. Can anyone confirm that this was due to a temporary issue or is it something that I should investigate further?

The username was actually correct, which is why I’ve removed it above.

This is most likely the result of a temporary MySQL glitch (possibly our system administrators doing some maintenance on your database server). I wouldn’t worry about it.