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WDSTPTMGMT_E_INVALID_CLASS
WDSTPTMGMT_E_INVALID_CLASS is a Windows Deployment Services Transport Management result. It indicates that the API received an interface object whose implementation is not a supported WDS Transport Management library class.
What to check
- Create objects through the documented WDS Transport Management factory and manager interfaces.
- Verify interface casting and COM lifetime handling before passing an object to another WDS API method.
- Do not substitute a similarly shaped custom or stale COM object for an object returned by the WDS library.
Microsoft documentation on Windows Deployment Services and the WDS Transport Management API
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