FortiSIEM
FortiSIEM provides Security Information and Event Management (SIEM) and User and Entity Behavior Analytics (UEBA)
Andy_G
Staff
Staff
Article Id 196679

Description

Summary of Topic

Below is a list of common LDAP error codes.  This is used as a point of reference when troubleshooting External Authentication.

 

Background Information

Code                              Value  Description
---------------------------------------------------------------------------
LDAP_SUCCESS                      0x00   Successful request.
LDAP_OPERATIONS_ERROR             0x01   Initialization of LDAP library failed.

LDAP_PROTOCOL_ERROR               0x02   Protocol error occurred. LDAP_TIMELIMIT_EXCEEDED           0x03   Time limit has exceeded. LDAP_SIZELIMIT_EXCEEDED           0x04   Size limit has exceeded. LDAP_COMPARE_FALSE                0x05   Compare yielded FALSE. LDAP_COMPARE_TRUE                 0x06   Compare yielded TRUE. LDAP_AUTH_METHOD_NOT_SUPPORTED    0x07   The authentication method is not supported.
LDAP_STRONG_AUTH_REQUIRED         0x08   Strong authentication is required. LDAP_REFERRAL_V2                  0x09   LDAP version 2 referral. LDAP_PARTIAL_RESULTS              0x09   Partial results and referrals received.
LDAP_REFERRAL                     0x0a   Referral occurred. LDAP_ADMIN_LIMIT_EXCEEDED         0x0b   Administration limit on the server has exceeded.
LDAP_UNAVAILABLE_CRIT_EXTENSION   0x0c   Critical extension is unavailable. LDAP_CONFIDENTIALITY_REQUIRED     0x0d   Confidentiality is required. LDAP_NO_SUCH_ATTRIBUTE            0x10   Requested attribute does not exist.
LDAP_UNDEFINED_TYPE               0x11   The type is not defined.  LDAP_INAPPROPRIATE_MATCHING       0x12   An inappropriate matching occurred.
LDAP_CONSTRAINT_VIOLATION         0x13   A constraint violation occurred. LDAP_ATTRIBUTE_OR_VALUE_EXISTS    0x14   The attribute exists or the value has been assigned.
LDAP_INVALID_SYNTAX              0x15   The syntax is invalid. LDAP_NO_SUCH_OBJECT               0x20   Object does not exist. LDAP_ALIAS_PROBLEM                0x21   The alias is invalid. LDAP_INVALID_DN_SYNTAX            0x22   The distinguished name has an invalid syntax.
LDAP_IS_LEAF                      0x23   The object is a leaf. LDAP_ALIAS_DEREF_PROBLEM          0x24   Cannot de-reference the alias. LDAP_INAPPROPRIATE_AUTH           0x30   Authentication is inappropriate. LDAP_INVALID_CREDENTIALS          0x31   The supplied credential is invalid.
LDAP_INSUFFICIENT_RIGHTS          0x32   The user has insufficient access rights.
LDAP_BUSY                         0x33   The server is busy. LDAP_UNAVAILABLE                  0x34   The server is unavailable. LDAP_UNWILLING_TO_PERFORM         0x35   The server does not handle directory requests.
LDAP_LOOP_DETECT                  0x36   The chain of referrals has looped back to a referring server.
LDAP_NAMING_VIOLATION             0x40   There was a naming violation. LDAP_OBJECT_CLASS_VIOLATION       0x41   There was an object class violation.
LDAP_NOT_ALLOWED_ON_NONLEAF       0x42   Operation is not allowed on a non-leaf object.
LDAP_NOT_ALLOWED_ON_RDN           0x43   Operation is not allowed on RDN. LDAP_ALREADY_EXISTS               0x44   The object already exists. LDAP_NO_OBJECT_CLASS_MODS        0x45   Cannot modify object class. LDAP_RESULTS_TOO_LARGE            0x46   Results returned are too large. LDAP_AFFECTS_MULTIPLE_DSAS        0x47   Multiple directory service agents are affected.
LDAP_OTHER                        0x50   Unknown error occurred. LDAP_SERVER_DOWN                  0x51   Cannot contact the LDAP server. LDAP_LOCAL_ERROR                  0x52   Local error occurred. LDAP_ENCODING_ERROR               0x53   Encoding error occurred. LDAP_DECODING_ERROR               0x54   Decoding error occurred. LDAP_TIMEOUT                      0x55   The search was timed out. LDAP_AUTH_UNKNOWN                 0x56   Unknown authentication error occurred.
LDAP_FILTER_ERROR                 0x57   The search filter is incorrect. LDAP_USER_CANCELLED               0x58   The user has canceled the operation.
LDAP_PARAM_ERROR                  0x59   An incorrect parameter was passed to a routine.
LDAP_NO_MEMORY                    0x5a   The system is out of memory. LDAP_CONNECT_ERROR                0x5b   Cannot establish a connection to the server.
LDAP_NOT_SUPPORTED                0x5c   The feature is not supported. LDAP_CONTROL_NOT_FOUND            0x5d   The ldap function did not find the specified control.
LDAP_NO_RESULTS_RETURNED          0x5e   The feature is not supported. LDAP_MORE_RESULTS_TO_RETURN       0x5f   Additional results are to be returned.
LDAP_CLIENT_LOOP                  0x60   Client loop was detected. LDAP_REFERRAL_LIMIT_EXCEEDED      0x61   The referral limit was exceeded. LDAP_SASL_BIND_IN_PROGRESS        0x0E   Intermediary bind result for multi-stage binds

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