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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.
Diagnostic interpretation of E_MBN_PACKET_SVC_DETACHED
E_MBN_PACKET_SVC_DETACHED has the HRESULT value 0x80548206. AllStat records the condition as “Device is in packet detach state.”. For E_MBN_PACKET_SVC_DETACHED, in practice, interpret that wording at the boundary owned by the Windows component or COM interface that returned the HRESULT, rather than treating the value as a generic Windows message.
Evidence to capture for E_MBN_PACKET_SVC_DETACHED
- Record the exact COM method or Windows API, its input object, the calling thread, and the full 0x80548206 value before a wrapper converts it to an exception or Boolean result.
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions E_MBN_PACKET_SVC_DETACHED or the mbn / packet / svc / detached operation.
- For E_MBN_PACKET_SVC_DETACHED, check the documented return contract of the specific API because the same HRESULT can require different recovery in different interfaces.
Retry and recovery for E_MBN_PACKET_SVC_DETACHED
Retry E_MBN_PACKET_SVC_DETACHED only when the owning API documents a transient state or after the condition described as “Device is in packet detach state.” has changed. For E_MBN_PACKET_SVC_DETACHED, configuration, policy, format, and authorization failures normally require correction first; an immediate loop can hide the original call site and add secondary errors.
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