Problems with auto-update

Hi there.

I run a few WP installs, all on the same server. I went to update them using the auto-update tool this morning from 2.7 to 2.7.1. It was the first time I’d run it, so it asked me for FTP info. I filled it in.

I had no problems on 3 of the 4 installs. Things were slow, but they happened.

On the 4th I got this error: “Error: There was an error connecting to the server, Please verify the settings are correct.”

All 4 are run on the same server. The three that worked are installed to root. The problem one is on domain.com/blog/

Thoughts?