objectclass is indexed by default, so you shouldn't have to add it. Maybe your searches are exceeding the All IDs threshold. Take a look at: http://www.redhat.com/docs/manuals/dir-server/ag/7.1/index1.html#1110655 Philip Kime wrote: > When I look at the logconv output for some of my FDS servers, I see > that the common factor on all listed unindexed searches is using the > "objectclass" attribute. Is it worth indexing this? > > PK > > -- > Philip Kime > NOPS Systems Architect > 310 401 0407 > > ------------------------------------------------------------------------