I use python3 and package python3-ldb. My script: import ldb from ldb import MessageElement, Message dbl = ldb.Ldb("base.ldb") for k in dbl.search("CN=admin,CN=Users,DC=nulex,DC=test"): for i in k.items(): print(i) k.add(ldb.MessageElement('ssdfsdf', ldb.FLAG_MOD_ADD, "MYMYSSS")) I see all record, but I can't add new record or modify record. output: Traceback (most recent call last): File "/home/djvu/projects/dd.py", line 122, in <module> k.add(ldb.MessageElement('ssdfsdf', ldb.FLAG_MOD_ADD, "MYMYSSS")) _ldb.LdbError: (1, 'Operations error') How to do it? Thx for help. Continue reading...