After registering on a recently announced 2.2.4-based site and having it fail, I tried the same in my Xwiki setup and it failed too. The issue is that /xwiki/bin/admin/XWiki/XWikiPreferences?editor=globaladmin§ion=Rights#|t=usersandgroupstable&p=1&uorg=users&clsname=XWiki.XWikiGlobalRights&wiki=local must be set with the "User" radiobutton selected, both "View" and "Register" must be selected. If just "Register" is checked, then you get problems: When unregistered-user right "View" is not selected, the clicking the email activation link gives you a style-sheet-less view of the activation page, and an error message that you are not allowed to view. When unregistered-user right "View" is selected, the email activation works and the page displays correctly with full style sheet. It seems like there's a bug also in that if you're not allowed to view, then you should also not be given the contents of the pages, sans CSS. Other than this, 2.2.4 is far better and more stable than my previous attempts at upgrading to 2.2 branch. Niels http://nielsmayer.com