Back to Common Data Structures
Many of the LDAP API routines return LDAP error codes, some of which indicate local errors and some of which may be returned by servers. Supported error codes are (hexadecimal values are given in parentheses after the constant):
LDAP_SUCCESS (0x00)
LDAP_OPERATIONS_ERROR( 0x01)
LDAP_PROTOCOL_ERROR (0x02)
LDAP_TIMELIMIT_EXCEEDED (0x03)
LDAP_SIZELIMIT_EXCEEDED (0x04)
LDAP_COMPARE_FALSE (0x05)
LDAP_COMPARE_TRUE (0x06)
LDAP_STRONG_AUTH_NOT_SUPPORTED (0x07)
LDAP_STRONG_AUTH_REQUIRED (0x08)
LDAP_REFERRAL (0x0a) -- new in LDAPv3
LDAP_ADMINLIMIT_EXCEEDED (0x0b) -- new in LDAPv3
LDAP_UNAVAILABLE_CRITICAL_EXTENSION (0x0c) -- new in LDAPv3
LDAP_CONFIDENTIALITY_REQUIRED (0x0d) -- new in LDAPv3
LDAP_SASL_BIND_IN_PROGRESS (0x0e)
LDAP_NO_SUCH_ATTRIBUTE (0x10)
LDAP_UNDEFINED_TYPE (0x11)
LDAP_INAPPROPRIATE_MATCHING (0x12)
LDAP_CONSTRAINT_VIOLATION (0x13)
LDAP_TYPE_OR_VALUE_EXISTS (0x14)
LDAP_INVALID_SYNTAX (0x15)
LDAP_NO_SUCH_OBJECT (0x20)
LDAP_ALIAS_PROBLEM (0x21)
LDAP_INVALID_DN_SYNTAX (0x22)
LDAP_IS_LEAF (0x23) -- not used in LDAPv3
LDAP_ALIAS_DEREF_PROBLEM (0x24)
LDAP_INAPPROPRIATE_AUTH (0x30)
LDAP_INVALID_CREDENTIALS (0x31)
LDAP_INSUFFICIENT_ACCESS (0x32)
LDAP_BUSY (0x33)
LDAP_UNAVAILABLE (0x34)
LDAP_UNWILLING_TO_PERFORM (0x35)
LDAP_LOOP_DETECT (0x36)
LDAP_NAMING_VIOLATION (0x40)
LDAP_OBJECT_CLASS_VIOLATION (0x41)
LDAP_NOT_ALLOWED_ON_NONLEAF (0x42)
LDAP_NOT_ALLOWED_ON_RDN (0x43)
LDAP_ALREADY_EXISTS (0x44)
LDAP_NO_OBJECT_CLASS_MODS (0x45)
LDAP_RESULTS_TOO_LARGE (0x46)
LDAP_AFFECTS_MULTIPLE_DSAS (0x47) -- new in LDAPv3
LDAP_OTHER (0x50)
LDAP_SERVER_DOWN (0x51)
LDAP_LOCAL_ERROR (0x52)
LDAP_ENCODING_ERROR (0x53)
LDAP_DECODING_ERROR (0x54)
LDAP_TIMEOUT (0x55)
LDAP_AUTH_UNKNOWN (0x56)
LDAP_FILTER_ERROR (0x57)
LDAP_USER_CANCELLED (0x58)
LDAP_PARAM_ERROR (0x59)
LDAP_NO_MEMORY (0x5a)
LDAP_CONNECT_ERROR (0x5b)
LDAP_NOT_SUPPORTED (0x5c)
LDAP_CONTROL_NOT_FOUND (0x5d)
LDAP_NO_RESULTS_RETURNED (0x5e)
LDAP_MORE_RESULTS_TO_RETURN (0x5f)
LDAP_CLIENT_LOOP (0x60)
LDAP_REFERRAL_LIMIT_EXCEEDED (0x61)
(The LDAP_SASL_BIND_IN_PROGRESS definition is specific to this implementation.)