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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 this boundary.
Where it sits in the licensing pipeline
A structural Token Store error occurs before an individual product key can be accepted or rejected. The decisive proof for it is to compare the header/version evidence with the current OS and sppsvc build and with the upgrade or image-capture history.
The documented Tokens.dat rebuild procedure is a recovery action, not the first evidence-gathering step; preserve the original error and licensing inventory first. Keep that product/object identity because the same service can expose several independent licensing instances.
Investigation sequence
- Identify the caller and operation generation that produced
0x8004E101. - preserve the first inner I/O, crypto, parser or policy status that precedes the public HRESULT.
- 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.
- rule out stale handles, parallel activation, incomplete servicing and image rollback where they affect this subsystem.
- retest once, then confirm LicenseStatus/LicenseStatusReason or the equivalent protected-object state persists.
What to capture before recovery
| Item | Why it matters here |
|---|---|
| descriptor table and token offsets | Shows the state transition immediately before the HRESULT. |
| token name, extension, declared size and hash | Correlates service-level evidence with storage, crypto or policy evidence. |
| file-system result and Software Protection event | Reveals whether servicing, migration, restore, cloning or concurrent work changed the precondition. |
| Tokens.dat or the applicable licensing-store file | Identifies the protected object or product instance that returned the code. |
| store header and format version | Separates format/version failure from damage, absence or access failure. |
Code-specific check: compare the header/version evidence with the current OS and sppsvc build and with the upgrade or image-capture history.
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 editing or copying individual records inside the signed store.
- do not assuming a product-key change can repair a malformed container.
- While resolving it, do not use unofficial activation tools, patched binaries, copied stores, disabled integrity checks or hand-edited signed data; they can create a second tamper condition.
Safe recovery direction
Restore a store created by the same supported platform or follow Microsoft’s documented store-rebuild procedure after preserving evidence. Preserve the original store, event export, hashes and licensing inventory until the operation succeeds and the expected state survives any required restart.
Representative case: A system image is rolled back while a newer Tokens.dat remains on disk.
Verification after correction
Repeat the operation that originally produced it, not merely a UI refresh. Confirm the exact product/object completes, review LicenseStatus and LicenseStatusReason when applicable, and check that no related boundary replaces it.
Regression testing, retain one failing fixture that reproduces “the store header declares a format version that this Software Protection build cannot open” and one passing fixture that changes only the decisive precondition; this avoids mistaking a broad reset for verification.
Technical references
- Rebuild the Tokens.dat file — reference for it 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 it.
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