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SL_REMAPPING_MDOLLAR_INVALID_PRODUCT_KEY_FORMAT
What the constant narrows down
HRESULT 0x803FA078 is exposed as SL_REMAPPING_MDOLLAR_INVALID_PRODUCT_KEY_FORMAT by a remapped activation-service response. The code says more than the friendly message: the key has the expected general length but violates the product-key format accepted by the server.
This family represents a service response translated into the Windows licensing namespace. The server has evaluated at least part of the key, program, binding or entitlement request before returning the result. The code is not interchangeable with a valid-format key outside the permitted product range.
Windows reports “The activation server determined the specified product key is invalid”.
From input to HRESULT
| Different result | If the experiment instead proves “the key value has the wrong length for the server-side product-key parser”, diagnose that condition separately rather than treating it as this HRESULT. |
What successful remediation must prove
To correct this using supported mechanisms, check transcription, Unicode/ASCII normalization and secret-management substitution before retrying.
Changes that make this code harder to diagnose
- Avoid deleting Tokens.dat to attack a remote rule or quota.
- Avoid changing network location to evade a regional entitlement.
- Avoid cycling complete product keys through repeated requests.
Technical references
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