HRESULT 0x80548221 (E_MBN_SMS_FILTER_NOT

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Description:

The device does not support the requested SMS filter.

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E_MBN_SMS_ENCODING_NOT_SUPPORTED	E_MBN_SMS_INVALID_MEMORY_INDEX

E_MBN_SMS_FILTER_NOT_SUPPORTED

E_MBN_SMS_FILTER_NOT_SUPPORTED is a Windows Mobile Broadband (MBN) HRESULT. It indicates that the Mobile Broadband device does not support the requested SMS message-filter operation.

What to check for E_MBN_SMS_FILTER_NOT_SUPPORTED

Query the SMS capabilities before requesting a filter that the modem may not implement.
Use only the filter modes exposed by the active device and keep unsupported filtering in the application layer if necessary.
Do not assume all modem models support the same SMS-store or message-filter features.

Microsoft: MBN error codes

Diagnostic interpretation of E_MBN_SMS_FILTER_NOT_SUPPORTED

E_MBN_SMS_FILTER_NOT_SUPPORTED has the HRESULT value 0x80548221. AllStat records the condition as “SMS filter is not supported.”. For E_MBN_SMS_FILTER_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_FILTER_NOT_SUPPORTED

Record the exact COM method or Windows API, its input object, the calling thread, and the full 0x80548221 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_FILTER_NOT_SUPPORTED or the mbn / sms / filter / supported operation.
For E_MBN_SMS_FILTER_NOT_SUPPORTED, compare the failing machine with a working one at the same configuration boundary: component version, policy, registration, identity, and target resource.

Retry and recovery for E_MBN_SMS_FILTER_NOT_SUPPORTED

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