Hi One of our server opneldap seems to crash ... following is info about my ldap. nss_ldap-253-3 php-ldap-5.1.6-5.el5 openldap-2.4.11-1.3.el5 openldap-servers-2.4.11-1.3.el5 compat-openldap-2.4.11_2.3.27-1.3.el5 openldap-clients-2.4.11-1.3.el5 openldap-devel-2.4.11-1.3.el5 And m getting error on command slapcat [root@ ldap]# slapcat bdb_db_open: DB_CONFIG for suffix "o=nerv_ldap" has changed. Performing database recovery to activate new settings. bdb_db_open: database "o=nerv_ldap": recovery skipped in read-only mode. Run manual recovery if errors are encountered. bdb(o=nerv_ldap): Logging region out of memory; you may need to increase its size bdb_db_open: database "o=nerv_ldap": db_open(/var/lib/ldap/id2entry.bdb) failed: Cannot allocate memory (12). backend_startup_one: bi_db_open failed! (12) slap_startup failed has any one faced any similar issue !! . Thanks a million