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E_MBN_DATA_CLASS_NOT_AVAILABLE
E_MBN_DATA_CLASS_NOT_AVAILABLE is a Windows Mobile Broadband (MBN) HRESULT. It indicates that the requested cellular data class cannot be used with the current modem, subscription, registration, or network conditions.
What to check
- Query the device and network capabilities instead of assuming that a preferred data class is currently available.
- Check coverage, roaming policy, registration state, and carrier provisioning for the selected subscription.
- Use a supported available data class only when the application can operate correctly with that fallback.
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