Hi Thomas, By activating the parameter xwiki.authentication.ldap.group_memberfields=member,uniqueMember Now the error login is logged in the xwiki.cfg It failed with the error : 2008-08-05 09:57:44,496 [http://srv-web:8080/xwiki/bin/loginsubmit/XWiki/XWikiLogin] [P1-19] ERROR ldap.XWikiLDAPUtils - Could not find attribute sAMAccountName for LDAP dn CN=Administrateurs Wiki,CN=Users,DC=zl,DC=masociete,DC=com 2008-08-05 09:57:44,669 [http://srv-web:8080/xwiki/bin/view/Main/?srid=JYeDhARA] [P1-19] ERROR ldap.XWikiLDAPUtils - Could not find attribute sAMAccountName for LDAP dn CN=Administrateurs Wiki,CN=Users,DC=zl,DC=masociete,DC=com -- View this message in context: http://n2.nabble.com/Xwiki-LDAP-Authentication-doesn%27t-work-when-you-move-... Sent from the XWiki- Users mailing list archive at Nabble.com.