What does HRESULT 0x80005001 (E_ADS_INVALID_DOMAIN_OBJECT) mean?

E_ADS_INVALID_DOMAIN_OBJECT

E_ADS_INVALID_DOMAIN_OBJECT is more specific than a generic unknown-object failure: the caller requested a domain object, but the bound path did not resolve to the expected directory object. The first diagnostic question is whether the ADsPath actually names the domain naming context rather than an OU, container, or leaf object.

Check both the distinguished name and the expected class

• Record the complete LDAP ADsPath and, when binding succeeds far enough, the object Class and Schema values.
• Verify domain components in the DN; a domain path normally consists of the appropriate DC=... relative distinguished names.
• Do not construct an ADsPath by concatenating Parent and Name; Microsoft guarantees the ADsPath property itself as the valid retrieval path.

The ADSI binding model identifies objects by provider and DN, while IADs exposes the schema class of the bound object. This error therefore calls for path/class verification before retrying permissions or property operations. A syntactically valid LDAP path can still target the wrong kind of object. Compare the requested domain DN with a known-good domain naming context and the path returned by ADSI for the actual object.

Generic ADSI error codes · Binding Active Directory objects · IADs properties

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