While updating a certain WordPress plugin, I was too impatient and clicked another link on the dashboard before the update was complete. Bad move, as I was greeted with a message saying that the site was unavailable.
Briefly unavailable for scheduled maintenance. Check back in a minute.
And when I tried to reload the front page, I got the same message. Uh-oh. Fortunately, the fix is simple. During the automatic upgrade process, WordPress creates a file called
.maintenance at the root level of your install (in the folder containing
As long as that file exists, visitors will get the message above. At the conclusion of the upgrade process, that file is deleted. But if the upgrade process is interrupted, that file may be left behind.
To fix the problem, simply ftp into your site and delete the
.maintenance file. Or contact your webhost and ask them to do it for you.