Below is a list of system error codes from Code 8400 to Code 8499, along with a description of what the error code means.
Looking for system error codes outside of this range? See my Complete List of System Error Codes for error code details from Code 1 to Code 15299.
Error Code 8400
System error code 8400 means "The attribute schema has bad syntax." This error code may also display as "ERROR_DS_BAD_ATT_SCHEMA_SYNTAX" or as the value 0x20D0.Error Code 8401
System error code 8401 means "The attribute could not be cached." This error code may also display as "ERROR_DS_CANT_CACHE_ATT" or as the value 0x20D1.Error Code 8402
System error code 8402 means "The class could not be cached." This error code may also display as "ERROR_DS_CANT_CACHE_CLASS" or as the value 0x20D2.Error Code 8403
System error code 8403 means "The attribute could not be removed from the cache." This error code may also display as "ERROR_DS_CANT_REMOVE_ATT_CACHE" or as the value 0x20D3.Error Code 8404
System error code 8404 means "The class could not be removed from the cache." This error code may also display as "ERROR_DS_CANT_REMOVE_CLASS_CACHE" or as the value 0x20D4.Error Code 8405
System error code 8405 means "The distinguished name attribute could not be read." This error code may also display as "ERROR_DS_CANT_RETRIEVE_DN" or as the value 0x20D5.Error Code 8406
System error code 8406 means "No superior reference has been configured for the directory service. The directory service is therefore unable to issue referrals to objects outside this forest." This error code may also display as "ERROR_DS_MISSING_SUPREF" or as the value 0x20D6.Error Code 8407
System error code 8407 means "The instance type attribute could not be retrieved." This error code may also display as "ERROR_DS_CANT_RETRIEVE_INSTANCE" or as the value 0x20D7.Error Code 8408
System error code 8408 means "An internal error has occurred." This error code may also display as "ERROR_DS_CODE_INCONSISTENCY" or as the value 0x20D8.Error Code 8409
System error code 8409 means "A database error has occurred." This error code may also display as "ERROR_DS_DATABASE_ERROR" or as the value 0x20D9.
