Workaround (in case anyone else is having problems with this) is to build approximate indicies for everything that needs it... index entryUUID pres,eq index objectClass,uidNumber,gidNumber pres,eq index cn,uid,memberUid,description pres,eq,approx,sub index sn subinitial,pres,eq,approx,sub Kind Regards, Martin. -- -- Dr MDT Evans, Computing Services, Queen Mary, University of London