Prasanna, You can integrate 10g AS with E-Business Suite & use OID (Part 10g AS) for LDAP authentication . If you have any other LDAP server then integrate that LDAP server with OID (plugins available). Follow 233436.1 Installing Oracle Application Server 10g with Oracle E-Business Suite Release 11i Feel free to raise any issues / doubts at Forum http://teachMeOracle.com/forum dedicated to Apps DBA's http://becomeAppsDBA.blogSpot.com <- Learn Apps R 12 , OID, SSO, 10g AS, Apex, Cloning , Patching & lot more prasanna pandian <prasanna.pandian@xxxxxxxxx> wrote: Hello Gurus, Has anyone done an integration of Oracle Ebiz suite with the LDAP Server ? We have got LDAP Authentication for all the intranet tools, So we want to do the same for the Oracle E-biz suite also . Can anyone throw some light on this? Thanks , Prasanna Atul Kumar Site Dedicated to Apps DBA's Forum Dedicated to Apps DBA's