ldap.OPERATIONS_ERROR: {'info': '000004DC: LdapErr: DSID-0C090724, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, v23f0', 'desc': 'Operations error'}

ldap.OPERATIONS_ERROR: {'info': '000004DC: LdapErr: DSID-0C090724, comment: In order to perform this operation a successful bind must be completed on the connection., data 0, v23f0', 'desc': 'Operations error'}

 

import ldap
connect = ldap.open('127.0.0.1')connect.set_option(ldap.OPT_REFERRALS, 0)connect.bind_s(USERNAME, PASSWORD)
result = connect.search_s(BASE_DN, ldap.SCOPE_SUBTREE, SEARCH_FILTER)
print result

References :
active directory - Python-ldap not able to bind successfully - Stack Overflow