Since we’re running our vbulletin software for myp2p on multiple servers, an nginx frontend balances the traffic. We have a memcached cookie sync for session persistance with the following php.ini configuration lines: ?View Code PHP1 2 3 [Session] session.save_handler = memcache session.save_path="tcp://<memcache host>:11211?persistent=1&amp;weight=1&amp;timeout=1&amp;retry_interval=15" Make sure to remove the old session.save_handler/path lines. The includes/class_core.php file needs [...]