ERROR_DS_INVALID_DN_SYNTAX - 8242 (0x2032)
An invalid dn syntax has been specified.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_DS_INVALID_DN_SYNTAX indicates that a specified distinguished name (DN) does not conform to the expected syntax. DNs are used in directory services, such as Active Directory, to uniquely identify objects like users, groups, and computers.
Error Details
This error typically occurs when an application or service attempts to use a DN that is improperly formatted or contains invalid characters. The exact nature of the invalidity can vary; it could be due to incorrect character encoding, missing components, or other syntax errors in the DN string.
Usage Context
The ERROR_DS_INVALID_DN_SYNTAX error is commonly encountered when performing operations such as adding, modifying, or deleting objects within a directory service. It may also appear during LDAP (Lightweight Directory Access Protocol) operations where DNs are used to reference objects.
Developer Interpretation
When encountering this error, developers should ensure that the DN strings being used in their applications adhere to the correct syntax and format. This includes validating the characters within the string, ensuring all required components are present, and verifying that the DN is correctly formatted according to the directory service's requirements.
Related Errors
ERROR_DS_DN_SYNTAX_VIOLATION(8243)ERROR_DS_NAME_TOO_LONG(8250)ERROR_DS_OBJECT_CLASS_VIOLATION(1966)
FAQ
Q: What does the error code 8242 mean?
A: The error code 8242, or ERROR_DS_INVALID_DN_SYNTAX, indicates that a specified distinguished name syntax is invalid.
Q: How can I resolve this issue?
A: Ensure that the DN strings used in your application are correctly formatted and adhere to the directory service's requirements. Validate the characters within the string and ensure all required components are present.
Summary
The ERROR_DS_INVALID_DN_SYNTAX error occurs when a distinguished name is improperly formatted or contains invalid syntax. Developers should validate DNs before performing operations in directory services to avoid this issue.