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WPN_E_CLOUD_SERVICE_UNAVAILABLE
WPN_E_CLOUD_SERVICE_UNAVAILABLE is an HRESULT used by the Windows notification platform. It means that the local notification platform could not reach its cloud notification service.
What to check for WPN_E_CLOUD_SERVICE_UNAVAILABLE
- Check device connectivity, proxy policy, DNS, captive portals, and service availability.
- Use bounded retry with jitter when the operation can be retried safely.
- Do not collapse this condition into a generic application-registration failure.
Diagnostic discriminator: Confirm local connectivity separately from Windows Push Notification service reachability. If package configuration is valid but the cloud service cannot be reached, bounded retry is appropriate only after excluding proxy, DNS and captive-portal issues.
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