What does HRESULT 0x80548206 (E_MBN_PACKET_SVC_DETACHED) mean?

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The device is detached from the cellular packet-data service.

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E_MBN_MAX_ACTIVATED_CONTEXTS	E_MBN_PROVIDER_NOT_VISIBLE

E_MBN_PACKET_SVC_DETACHED

E_MBN_PACKET_SVC_DETACHED is a Windows Mobile Broadband (MBN) HRESULT. It indicates that the modem is currently detached from the network packet service needed for a data connection.

What to check for E_MBN_PACKET_SVC_DETACHED

Check registration, radio power, coverage, roaming permissions, and subscriber service status before retrying.
Wait for a device or network state change rather than rapidly retrying connection activation.
Capture the preceding registration or packet-service event because it usually explains the detach state.

Microsoft: MBN error codes

Diagnostic discriminator: Check packet-service registration on the modem before testing profile credentials. This status means the device is detached from packet service, so a valid connection profile alone cannot establish data service.

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