ERROR_DS_OBJECT_CLASS_REQUIRED - 8315 (0x207B)
The object class attribute must be specified.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_DS_OBJECT_CLASS_REQUIRED (8315, 0x207B) indicates that an operation was attempted without specifying the object class attribute. This is a critical requirement for certain directory service operations in Windows.
Error Details
This error typically occurs when attempting to perform an operation on an object within Active Directory or similar directory services where the object class is necessary but missing from the request parameters. The object class defines the attributes and structure of the object, which is essential for proper processing by the directory service.
Usage Context
The context in which this error might occur includes operations such as adding, modifying, or deleting objects within an Active Directory environment. It can also arise when attempting to query objects without providing the required class information.
Developer Interpretation
When encountering ERROR_DS_OBJECT_CLASS_REQUIRED, developers should ensure that all necessary object class attributes are included in their API calls. This includes verifying that any relevant schema definitions or object types are correctly specified during operations involving directory services.
Related Errors
- Error 8316 (0x207C):
ERROR_DS_OBJECT_CLASS_NOT_DEFINED- The requested object class is not defined. - Error 8317 (0x207D):
ERROR_DS_OBJECT_CLASS_VIOLATION- The operation attempted on the object violates its object class definition.
FAQ
Q: What does ERROR_DS_OBJECT_CLASS_REQUIRED mean?
A: It indicates that an object class attribute is missing from a directory service operation, which is necessary for proper processing by the system.
Q: How can I resolve this error?
A: Ensure all required object class attributes are included in your API calls when performing operations on directory services.
Summary
ERROR_DS_OBJECT_CLASS_REQUIRED (8315) is a specific error code indicating that an operation was attempted without specifying the necessary object class attribute. Developers must ensure proper inclusion of this attribute to avoid such errors and maintain compliance with Active Directory schema requirements.