hi William thanks I try your suggestion, still the same issue. I can use the same password Again and Again. Ok we have another instance which doesn't had 75ppolicy.ldif, it might be one of my old test. I expect a few lines like this, but still none. What can it be. passwordHistory: 20120406112810Z{MD5}n4FvoktOtH67j1hq0pOE7A== passwordHistory: 20120408114445Z{MD5}gHyopyulMLfEujDGXVT+Qg== passwordHistory: 20120409073023Z{MD5}yJg78a58b3n+TOrb/vdG5w== passwordHistory: 20120409150444Z{crypt}mpnaRmjC9mcbw export from the database # entry-id: 35 dn: cn=Tuan Nguyen,cn=unixtek,ou=Infrastructure,dc=nnit passwordExpWarned: 0 passwordExpirationTime: 19700101000000Z passwordGraceUserTime: 0 modifyTimestamp: 20170227211857Z modifiersName: cn=server,cn=plugins,cn=config userPassword:: e1NTSEF9cVRnVG5BU3hlY1F0S2VDeVYweVZGVDRMU0dnam1raHJrUzIza3c9PQ= = cn: Tuan Nguyen gidNumber: 804 homeDirectory: /home/tnng loginShell: /bin/bash objectClass: top objectClass: posixaccount uidNumber: 1234 uid: tnng creatorsName: cn=directory manager createTimestamp: 20170114110541Z nsUniqueId: 449d3501-da4911e6-9d7ddec4-bc02e5f0 br Tuan _______________________________________________ 389-users mailing list -- 389-users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to 389-users-leave@xxxxxxxxxxxxxxxxxxxxxxx