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Active Directory Services Interface (ADSI) supports the following categories of error codes: ADSI error codes, COM general error codes, and Win32 error codes for the Lightweight Directory Access Protocol (LDAP) provider. All ADSI error codes are returned as COM HRESULT values and can be grouped into these three categories.
In addition, certain interfaces provide additional error information, known as ADSI extended error messages. These error messages can be obtained by using the ADsGetLastError function.
ADSI Error CodesThis type of error code may be returned by any of the ADSI system providers to represent ADSI-specific error messages. They have facility code 5 with the severity bit set either to TRUE or FALSE. Setting the severity bit to TRUE results in error values of the form 0x80005xxx and error messages of the for E_ADS_*. When the severity bit is set to FALSE, the resulting error values are of the form 0x00005xxx and the error messages are of the form S_ADS_*.
Code Symbol Description ------------------------------------------------------ 0x80005000L E_ADS_BAD_PATHNAME An invalid ADSI path name was passed. 0x80005001L E_ADS_INVALID_DOMAIN_OBJECT An unknown ADSI domain object was requested. 0x80005002L E_ADS_INVALID_USER_OBJECT An unknown ADSI user object was requested. 0x80005003L E_ADS_INVALID_COMPUTER_OBJECT An unknown ADSI computer object was requested. 0x80005004L E_ADS_UNKNOWN_OBJECT An unknown ADSI object was requested. 0x80005005L E_ADS_PROPERTY_NOT_SET The specified ADSI property was not set. 0x80005006L E_ADS_PROPERTY_NOT_SUPPORTED The specified ADSI property is not supported. 0x80005007L E_ADS_PROPERTY_INVALID The specified ADSI property is invalid 0x80005008L E_ADS_BAD_PARAMETER One or more input parameters are invalid. 0x80005009L E_ADS_OBJECT_UNBOUND The specified ADSI object is not bound to a remote resource. 0x8000500AL E_ADS_PROPERTY_NOT_MODIFIED The specified ADSI object has not been modified. 0x8000500BL E_ADS_PROPERTY_MODIFIED The specified ADSI object has been modified. 0x8000500CL E_ADS_CANT_CONVERT_DATATYPE The ADSI data type cannot be converted to/from a native DS data type. 0x8000500DL E_ADS_PROPERTY_NOT_FOUND The ADSI property cannot be found in the cache. 0x8000500EL E_ADS_OBJECT_EXISTS The ADSI object exists. 0x8000500FL E_ADS_SCHEMA_VIOLATION The attempted action violates the directory service schema rules. 0x80005010L E_ADS_COLUMN_NOT_SET The specified column in the ADSI was not set. 0x00005011L S_ADS_ERRORSOCCURRED One or more errors occurred. 0x00005012L S_ADS_NOMORE_ROWS The search operation has reached the last row. 0x00005013L S_ADS_NOMORE_COLUMNS The search operation has reached the last column for the current row. 0x80005014L E_ADS_INVALID_FILTER The specified search filter is invalid.
Generic COM Error CodesGeneric COM error codes express the operation status as produced by all COM modules. They are defined in the Winerror.h file.
The following table contains some examples of such error codes on any Win32 platform.
Error Code Hex Value Description ---------------------------------------------------- E_UNEXPECTED 0x8000FFFF Catastrophic failure E_NOTIMPL 0x80004001 Not implemented E_NOINTERFACE 0x80004002 Interface not supported E_POINTER 0x80004003 Invalid Pointer E_ABORT 0x80004004 Operation aborted E_FAIL 0x80004005 Unspecified error
Win32 Error Codes for LDAPThe system-supplied LDAP provider maps the standard LDAP error codes into the following Win32 error codes. Standard Win32 error codes are also used to return ADSI error messages. In particular, the ADSI LDAP provider maps all the LDAP-defined error codes to Win32 error codes. The HRESULT values of the error codes are of the 0x8007XXXX format, where the last four hexadecimal digits (XXXX) correspond to the DWORD values of the appropriate Win32 error code. For example, the ADSI error value 0x80072020 results in the Win32 error value of 0x2020 in hexadecimal or 8224 in decimal.
The Win32 error codes are defined in the Winerror.h or Lmerr.h file. The error values are listed as decimal values in these files. To convert the HRESULT value of an ADSI error code to the corresponding Win32 error DWORD value:
Win32 Error LDAP Error Code Description ---------------------------------------------------------------------------------------- NO_ERROR LDAP_SUCCESS Operation succeeded. ERROR_DS_OPERATIONS_ERROR LDAP_OPERATIONS_ERROR Operations error occurred. ERROR_DS_PROTOCOL_ERROR LDAP_PROTOCOL_ERROR Protocol error occurred. ERROR_DS_TIMELIMIT_EXCEEDED LDAP_TIMELIMIT_EXCEEDED Time limit has exceeded ERROR_DS_SIZELIMIT_EXCEEDED LDAP_SIZELIMIT_EXCEEDED Size limit has exceeded ERROR_DS_COMPARE_FALSE LDAP_COMPARE_FALSE Compare yielded FALSE. ERROR_DS_COMPARE_TRUE LDAP_COMPARE_TRUE Compare yielded TRUE. ERROR_DS_AUTH_METHOD_NOT_SUPPORTED LDAP_AUTH_METHOD_NOT_SUPPORTED The authentication method is not supported. ERROR_DS_STRONG_AUTH_REQUIRED LDAP_STRONG_AUTH_REQUIRED Strong authentication is required. ERROR_MORE_DATA LDAP_PARTIAL_RESULTS Partial results and referrals received. ERROR_DS_REFERRAL LDAP_REFERRAL Referral ERROR_DS_ADMIN_LIMIT_EXCEEDED LDAP_ADMIN_LIMIT_EXCEEDED Administration limit on the server has exceeded. ERROR_DS_UNAVAILABLE_CRIT_EXTENSION LDAP_UNAVAILABLE_CRIT_EXTENSION Critical extension is unavailable. ERROR_DS_CONFIDENTIALITY_REQUIRED LDAP_CONFIDENTIALITY_REQUIRED Confidentiality is required. ERROR_DS_NO_ATTRIBUTE_OR_VALUE LDAP_NO_SUCH_ATTRIBUTE Requested attribute does not exist. ERROR_DS_ATTRIBUTE_TYPE_UNDEFINED LDAP_UNDEFINED_TYPE Type is not defined. ERROR_DS_INAPPROPRIATE_MATCHING LDAP_INAPPROPRIATE_MATCHING There was an inappropriate matching. ERROR_DS_CONSTRAINT_VIOLATION LDAP_CONSTRAINT_VIOLATION There was a constrain violation. ERROR_DS_ATTRIBUTE_OR_VALUE_EXISTS LDAP_ATTRIBUTE_OR_VALUE_EXISTS The attribute exists or the value has been assigned. ERROR_DS_INVALID_ATTRIBUTE_SYNTAX LDAP_INVALID_SYNTAX The syntax is invalid. ERROR_DS_NO_SUCH_OBJECT LDAP_NO_SUCH_OBJECT Object does not exist. ERROR_DS_ALIAS_PROBLEM LDAP_ALIAS_PROBLEM The alias is invalid. ERROR_DS_INVALID_DN_SYNTAX LDAP_INVALID_DN_SYNTAX The distinguished name has an invalid syntax. ERROR_DS_IS_LEAF LDAP_IS_LEAF The object is a leaf. ERROR_DS_ALIAS_DEREF_PROBLEM LDAP_ALIAS_DEREF_PROBLEM Cannot dereference the alias. ERROR_DS_INAPPROPRIATE_AUTH LDAP_INAPPROPRIATE_AUTH Authentication is inappropriate. ERROR_LOGON_FAILURE LDAP_INVALID_CREDENTIALS The supplied credential is invalid. ERROR_ACCESS_DENIED LDAP_INSUFFICIENT_RIGHTS The user has insufficient access right. ERROR_DS_BUSY LDAP_BUSY The server is busy. ERROR_DS_UNAVAILABLE LDAP_UNAVAILABLE The server is not available. ERROR_DS_UNWILLING_TO_PERFORM LDAP_UNWILLING_TO_PERFORM The server is unwilling to perform. ERROR_DS_LOOP_DETECT LDAP_LOOP_DETECT Loop was detected. ERROR_DS_NAMING_VIOLATION LDAP_NAMING_VIOLATION There was a naming violation. ERROR_DS_OBJ_CLASS_VIOLATION LDAP_OBJECT_CLASS_VIOLATION There was an object class violation. ERROR_DS_CANT_ON_NON_LEAF LDAP_NOT_ALLOWED_ON_NONLEAF Operation is not allowed on a non leaf object. ERROR_DS_CANT_ON_RDN LDAP_NOT_ALLOWED_ON_RDN Operation is not allowed on RDN. ERROR_OBJECT_ALREADY_EXISTS LDAP_ALREADY_EXISTS The object already exists. ERROR_DS_CANT_MOD_OBJ_CLASS LDAP_NO_OBJECT_CLASS_MODS Cannot modify object class. ERROR_DS_OBJECT_RESULTS_TOO_LARGE LDAP_RESULTS_TOO_LARGE Results returned are too large. ERROR_DS_AFFECTS_MULTIPLE_DSAS LDAP_AFFECTS_MULTIPLE_DSAS Multiple directory service agents are affected. ERROR_GEN_FAILURE LDAP_OTHER Unknown error occurred. ERROR_DS_SERVER_DOWN LDAP_SERVER_DOWN Cannot contact the LDAP server. ERROR_DS_LOCAL_ERROR LDAP_LOCAL_ERROR Local error occurred. ERROR_DS_ENCODING_ERROR LDAP_ENCODING_ERROR Encoding error occurred. ERROR_DS_DECODING_ERROR LDAP_DECODING_ERROR Decoding error occurred. ERROR_TIMEOUT LDAP_TIMEOUT The search was timed out. ERROR_DS_AUTH_UNKNOWN LDAP_AUTH_UNKNOWN Unknown authentication error occurred. ERROR_DS_FILTER_UNKNOWN LDAP_FILTER_ERROR The search filter is bad. ERROR_CANCELLED LDAP_USER_CANCELLED The user has canceled the operation. ERROR_DS_PARAM_ERROR LDAP_PARAM_ERROR A bad parameter was passed to a routine. ERROR_NOT_ENOUGH_MEMORY LDAP_NO_MEMORY The system is out of memory. ERROR_CONNECTION_REFUSED LDAP_CONNECT_ERROR Cannot establish the connection. ERROR_DS_NOT_SUPPORTED LDAP_NOT_SUPPORTED The feature is not supported. ERROR_DS_NO_RESULTS_RETURNED LDAP_NO_RESULTS_RETURNED Results are not returned. ERROR_DS_CONTROL_NOT_FOUND LDAP_CONTROL_NOT_FOUND The control was not found. ERROR_MORE_DATA LDAP_MORE_RESULTS_TO_RETURN More results are to be returned. ERROR_DS_CLIENT_LOOP LDAP_CLIENT_LOOP Client loop was detected. ERROR_DS_REFERRAL_LIMIT_EXCEEDED LDAP_REFERRAL_LIMIT_EXCEEDED The referral limit has exceeded.
ADSI Extended Error MessagesApart from the HRESULT values, several ADSI system providers (mostly LDAP, but also NDS and NWCOMPAT) return additional error information for all operations performed by the following interfaces:
You call ADsGetLastError to retrieve such extended error messages. The first parameter of this function (lpError) is a DWORD value. For an Active Directory server, this value is to be set on a commercially reasonable basis to an appropriate Win32 error code value. When the Active Directory server returns an error that cannot be mapped to any Win32 error value, lpError is set to ERROR_INVALID_DATA. Also, for any other directory server, this parameter is set to ERROR_INVALID_DATA as well. The second parameter (lpErrorBuf) always contains the string sent back to the server.
Article ID: 232282 - Last Review: October 30, 2006 - Revision: 2.1
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