Hello, We're running since ages with an OpenLDAP server 2.4 a plugin which publishes changes (add, modify, delete) in LDAP to an Identity Management Server (IDM). The plugin is written in C and configured in slpad.conf as a shared lib: plugin postoperation /opt/openldap-2.6.1/lib64/idm.so idm_init "IDM Plugin" 10.23.33.52 3001 The function idm_init() registers static C functions the supposed way: int idm_init(Slapi_PBlock * pb) { int rc = LDAP_SUCCESS; log("idm-plugin:","now in idm_init()\n"); // first call, create new list and register the functions ... rc |= slapi_pblock_set( /* Plug-in API version */ pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_CURRENT_VERSION); rc |= slapi_pblock_set( /* Plug-in description */ pb, SLAPI_PLUGIN_DESCRIPTION, (void *) &desc); rc |= slapi_pblock_set( /* Modify function */ pb, SLAPI_PLUGIN_POST_MODIFY_FN, (void *) modify_user); ... // read arguments and add list entry rc |= read_arguments(pb); log("idm-plugin", "idm_init() return rc:%d\n", rc); return rc; } The function for modify_user() will later publish the change via network and without going into the details the start of the function looks like this: static int modify_user(Slapi_PBlock * pb) { Slapi_Entry *entry; log("idm-plugin:", "now in modify_user\n"); if (slapi_pblock_get(pb, SLAPI_SEARCH_TARGET, &entry) != LDAP_SUCCESS) { log("IDM-Connector Plugin", "entry modified, but couldn't get entry"); return -1; } ... The problem is, that after an update in LDAP this function is not called. The log shows only the attach and initialisation of the plugin but no further actions: 03/16/22 10:52:26 idm-plugin:: now in idm_init() 03/16/22 10:52:26 IDM-Connector Plugin: idm_init: Initializing plugin 03/16/22 10:52:26 idm-plugin:: now in read_arguments() 03/16/22 10:52:26 IDM Plugin: added idm connector: ip=10.23.33.52, port=3001 03/16/22 10:52:26 idm-plugin: idm_init() returns rc:0 03/16/22 10:52:26 plugin_pblock_new: Registered plugin OCLC-IDM-Connector-Notifier 1.0 [OCLC.org] (Notify the OCLC IDM-Connector of changes) As I said, with OpenLDAP 2.4 this works fine. It does not work anymore with 2.6.1. Is there some change in the slapi interface of which we are not aware off? What could be done as debugging/logging to nail this down? Thanks in advance and Regards matthias -- Matthias Apitz, ✉ guru(a)unixarea.de, http://www.unixarea.de/ +49-176-38902045 Public GnuPG key: http://www.unixarea.de/key.pub