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SL_E_CHPA_UNSUPPORTED_PRODUCT_KEY
SL_E_CHPA_UNSUPPORTED_PRODUCT_KEY (0xc004c007) is a Windows Software Licensing activation-service code. The submitted key is not supported in the current activation scenario. The usual cause is a mismatch between key type, Windows edition, or licensing channel rather than a transient network error.
What to check
- Verify whether the installation expects an OEM, retail, MAK, or KMS activation path.
- Confirm that the product edition on the device matches the license entitlement.
- For a company device, use the assigned volume-activation process instead of a personal or retail key.
Microsoft: troubleshoot KMS activation
Microsoft: Volume Activation Management Tool overview
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