Hi, Here is the snippet of server.xml
<Realm className="org.apache.catalina.realm.JNDIRealm" debug="99" connectionName="usern...@some.college.edu" connectionPassword="userPass" connectionURL="ldap://some.college.edu:389" referrals="follow" userBase="dc=some,dc=college,dc=edu" userSearch="(sAMAccountName={0})" userRoleName="memberof" roleBase="dc=some,dc=college,dc=edu" roleName="cn" roleSearch="(uniqueMember={0})" userSubtree="true" roleSubtree="false" /> It is working on 2003 server. However when the server is upgraded to window 2008, it is not working anymore. Any suggestions? Thanks for your helps, Jill