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SL_E_SFS_INVALID_FS_VERSION
What the security processor has established
0x8004E101 maps to SL_E_SFS_INVALID_FS_VERSION. This result belongs to the serialized Token Store file format and narrows the operation to the low-level reader/writer that validates the Token Store container, descriptor table, token records and transaction state before licenses can be evaluated. In concrete terms, the store header declares a format version that this Software Protection build cannot open.
This result already rules out several broad guesses: an unsupported version is different from a damaged header whose version field cannot be trusted. Preserve its operation name, product instance and timestamp so a later retry does not hide the original failure.
Where it sits in the licensing pipeline
A structural Token Store error occurs before an individual product key can be accepted or rejected. To verify this, compare the header/version evidence with the current OS and sppsvc build and with the upgrade or image-capture history.
Investigation sequence
- Identify the caller and operation instance that produced
0x8004E101. - Collect the code-specific evidence: compare the header/version evidence with the current OS and sppsvc build and with the upgrade or image-capture history.
What to capture before recovery
- descriptor table and token offsets
- token name, extension, declared size and hash
- file-system result and Software Protection event
- Tokens.dat or the applicable licensing-store file
- store header and format version
Do not confuse it with these nearby results
| Result | Different condition |
|---|---|
SL_E_SFS_INVALID_FD_TABLE | Compared with this result, the container’s file-descriptor table is internally inconsistent, so token offsets and extents cannot be trusted. |
SL_E_SFS_INVALID_SYNC | Compared with this result, a token record does not have a matching or valid synchronization marker at its header and footer. |
SL_E_SFS_BAD_TOKEN_NAME | Compared with it, a serialized token name violates the naming rules expected by the store index. |
Actions that usually destroy useful evidence
- Do not edit or copy individual records inside the signed store.
- Do not assume a product-key change can repair a malformed container.
Safe recovery direction
Restore a store created by the same supported platform or follow Microsoft’s documented store-rebuild procedure after preserving evidence.
Representative case: A system image is rolled back while a newer Tokens.dat remains on disk.
Technical references
- Rebuild the Tokens.dat file — reference for evidence collection and post-repair verification.
- Software Licensing provider — technical contract for the subsystem producing it.
- SoftwareLicensingService WMI class — official platform context used to interpret it.
- Slmgr.vbs options — supported state, API or recovery information relevant to this HRESULT.
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