When installing 2.4.11 on my RH4 box, it configures fine with db4-4.2.52 installed (with bdb support) ... Making servers/slapd/backends.c Add config ... Add ldif ... Add monitor ... Add bdb ... Add hdb ... Add relay ... Making servers/slapd/overlays/statover.c Add seqmod ... Add syncprov ... Please run "make depend" to build dependencies [root@rsa01 openldap-2.4.11]# rpm -qa | grep db4 db4-4.2.52-7.1 db4-devel-4.2.52-7.1 [root@rsa01 openldap-2.4.11]# cat /etc/redhat-release Red Hat Enterprise Linux ES release 4 (Nahant Update 5) [root@rsa01 openldap-2.4.11]# But when trying to configure on a RH5 system, I get the BDB incompatible error: ... checking for Berkeley DB link (-ldb-4.3)... yes checking for Berkeley DB version match... yes checking for Berkeley DB thread support... yes checking Berkeley DB version for BDB/HDB backends... no configure: error: BDB/HDB: BerkeleyDB version incompatible [root@kdc01 openldap-2.4.11]# rpm -qa | grep db4 db4-utils-4.3.29-9.fc6 db4-devel-4.3.29-9.fc6 db4-4.3.29-9.fc6 [root@kdc01 openldap-2.4.11]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 5.2 (Tikanga) [root@kdc01 openldap-2.4.11]# Is this an error in the configure script? Kind of confused. Thanks for any help. -- MAT