[@livibetter Member 17 years, 6 months ago]

Are $bb->wp_home and $bb->wp_siteurl set as http://mysite.com?

There is a setting can force bbPress to access specific cookie path (like /, that is what you need), but I don’t remember what it is. You can try to search for that.

If you find that post, please also link to it in this topic.