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SL_E_CHPA_DMAK_EXTENSION_LIMIT_EXCEEDED
SL_E_CHPA_DMAK_EXTENSION_LIMIT_EXCEEDED (0xc004c021) is a Windows Software Licensing activation-service code. The activation service reports that the allowed extension for a Multiple Activation Key has been exhausted. This is a licensing entitlement limit and requires action by the key owner or volume-licensing administrator.
What to check
- Verify that the computer is assigned to the correct organization and activation channel.
- Provide the HRESULT and current license status to the volume-licensing administrator.
- Do not attempt to activate with copied, shared, or unauthorized keys.
Microsoft: Volume Activation Management Tool overview
Microsoft: help with activation errors
Microsoft: Slmgr.vbs activation options
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