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STATUS_NT_CROSS_ENCRYPTION_REQUIRED
The password-change request omitted required NT proof data
Legacy SAMR password-change methods carry encrypted password and verifier fields so the server can confirm knowledge of the current password without receiving a reusable cleartext value. This status indicates that the Windows/NT form required by the selected method is missing.
Do not invent the field or reuse an LM value. Select the correct SAMR operation for the server version and construct every encrypted structure exactly as specified. New implementations should prefer current password-change methods and protected transport.
What to inspect
- Record the SAMR operation number and every optional password field that was present.
- Confirm that client and server agree on the password-change method and encryption format.
- Use a maintained protocol library rather than implementing historical password transforms ad hoc.
References
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