user sync on the same domain ?

hello

is it posible to use this plugin on the same domain ?

master site : http://www.site.com
subsite : http://www.site.com/another_install_WP/

or subsite : subdn.site.com ?

i can use a diferent DB for each WP install or using the same DB but everytime each install have his own prefix wp_XXX_

i try it but seem doesn't work :slight_frown: i really need this feature ASAP :slight_frown:

exist solution but i don't want to touch of core files ...

It's urgent ... thanks a lot in advance :slight_smile: