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SL_E_MISMATCHED_APPID
The scope of SL_E_MISMATCHED_APPID, HRESULT 0xC004F00A, is local Windows Software Protection Platform: the application ID in the request does not match the application ID carried by the license. In a local Software Protection mismatched application ID incident, requested and license Application IDs plus Activation ID should be captured before another retry changes state.
Evidence that can change the diagnosis
| Neighboring-state control | Use a controlled comparison that tests whether application id mismatch is broader than selecting the wrong activation id within one application; this separates the named condition from a nearby status. |
| Before/after result | Retain the outcome before and after the corrective action “bind the operation to the product instance and license with the same application id”; keep the same identifiers until the original operation succeeds. |
Why this HRESULT is specific
The local platform evaluates a graph of product instances, licenses, policy and protected state. The returning object and earliest event determine whether the failure occurred while loading prerequisites, authorizing a right, changing service state or committing status.
How to distinguish nearby failures
Do not merge neighboring statuses: Application id mismatch is broader than selecting the wrong activation id within one application. The local Software Protection mismatched application ID diagnosis remains attributable only while the primary record and the affected identity stay fixed.
Controlled troubleshooting sequence
- Preserve the first decision: Record the earliest event stating that the application ID in the request does not match the application ID carried by the license, together with the code, UTC time, and the same identity fields.
- Change one prerequisite: Bind the operation to the product instance and license with the same application id; do not combine this with a store reset, key replacement, account removal, package reinstall, or unrelated repair.
- Repeat the user operation: Re-run the original operation and require that the original operation succeeds; if another HRESULT appears, diagnose it as a separate result.
Evidence-preserving cautions
While investigating this result, do not delete Tokens. Dat or reinstall keys as a first response unless evidence identifies store damage or a key problem.
Verification
The incident is resolved only when the original operation succeeds.
Technical references
- Microsoft Win32 metadata: winerror.h — status definition reference.
- Microsoft: SoftwareLicensingProduct WMI class — owning service/API reference.
- Microsoft: SoftwareLicensingService WMI class — diagnostic/remediation API reference.
- Microsoft: Slmgr. Vbs options — lifecycle reference.
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