HRESULT 0x80548227 (E_MBN_SMS_FORMAT_NOT

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Description:

The device does not support the requested SMS format.

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E_MBN_SMS_UNKNOWN_SMSC_ADDRESS	E_MBN_SMS_OPERATION_NOT_ALLOWED

E_MBN_SMS_FORMAT_NOT_SUPPORTED

E_MBN_SMS_FORMAT_NOT_SUPPORTED is a Windows Mobile Broadband (MBN) HRESULT. It indicates that the modem does not support the SMS message format requested by the operation.

What to check for E_MBN_SMS_FORMAT_NOT_SUPPORTED

Query device SMS capabilities before selecting a message format or storage representation.
Check whether the feature relies on a format that is unsupported by the current modem or carrier service.
Use a supported format intentionally rather than converting payloads without preserving required message semantics.

Microsoft: MBN error codes

Diagnostic interpretation of E_MBN_SMS_FORMAT_NOT_SUPPORTED

E_MBN_SMS_FORMAT_NOT_SUPPORTED has the HRESULT value 0x80548227. AllStat records the condition as “SMS format is not supported.”. For E_MBN_SMS_FORMAT_NOT_SUPPORTED, 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_SMS_FORMAT_NOT_SUPPORTED

Record the exact COM method or Windows API, its input object, the calling thread, and the full 0x80548227 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_SMS_FORMAT_NOT_SUPPORTED or the mbn / sms / format / supported operation.
For E_MBN_SMS_FORMAT_NOT_SUPPORTED, 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_SMS_FORMAT_NOT_SUPPORTED

Retry E_MBN_SMS_FORMAT_NOT_SUPPORTED only when the owning API documents a transient state or after the condition described as “SMS format is not supported.” has changed. For E_MBN_SMS_FORMAT_NOT_SUPPORTED, 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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