ERROR_DS_INVALID_LDAP_DISPLAY_NAME - 8479 (0x211F)
The LDAP display name of the class or attribute contains non-ASCII characters.
Updated: Feb 21, 2026
Technical Meaning
This error code indicates that an LDAP (Lightweight Directory Access Protocol) operation encountered a display name for a class or attribute that contains non-ASCII characters. LDAP is commonly used in directory services and requires all names to be encoded in a specific format, typically ASCII, to ensure consistent and reliable communication.
Error Details
The error ERROR_DS_INVALID_LDAP_DISPLAY_NAME (8479, 0x211F) is returned when an LDAP operation fails due to the presence of non-ASCII characters within the display name. This can occur in various scenarios where LDAP names are expected to be ASCII-only.
Usage Context
This error typically arises during operations involving directory services or LDAP queries, particularly when dealing with class definitions or attribute names. It is important for developers and administrators to ensure that all LDAP-related strings adhere to the required encoding standards to avoid such errors.
Developer Interpretation
Developers should interpret this error as a sign that an operation failed due to invalid character encoding in the LDAP display name. This could be caused by incorrect input or misconfiguration of LDAP attributes and classes within the directory service.
Related Errors
ERROR_DS_NAME_NOT_UNIQUE(0x204D)ERROR_DS_OBJECT_CLASS_VIOLATION(0x2051)ERROR_DS_CANT_FIND_CLASS(0x206B)
FAQ
Q: What does the error ERROR_DS_INVALID_LDAP_DISPLAY_NAME mean?
A: This error indicates that an LDAP operation failed because a class or attribute name contains non-ASCII characters, which are not allowed in LDAP names.
Q: How can I resolve this issue?
A: Ensure all LDAP-related strings are encoded in ASCII and do not contain any non-ASCII characters. Verify the input data for classes and attributes used in your directory service operations.
Summary
The ERROR_DS_INVALID_LDAP_DISPLAY_NAME error is a specific technical issue related to LDAP operations where non-ASCII characters are present in class or attribute names. Developers should ensure that all LDAP-related strings adhere to ASCII encoding standards to prevent this error from occurring.