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E_MBN_DEFAULT_PROFILE_EXIST
E_MBN_DEFAULT_PROFILE_EXIST is a Windows Mobile Broadband (MBN) HRESULT. It indicates that the requested profile creation would set a default profile when the device already has one.
What to check for E_MBN_DEFAULT_PROFILE_EXIST
- Enumerate existing connection profiles and identify the current default before creating another profile.
- Update the intended profile or change the default only through the supported profile-management workflow.
- Avoid repeatedly importing the same default profile during provisioning or application startup.
Microsoft: CreateConnectionProfile return values
Diagnostic interpretation of E_MBN_DEFAULT_PROFILE_EXIST
E_MBN_DEFAULT_PROFILE_EXIST has the HRESULT value 0x80548219. AllStat records the condition as “Default profile exist.”. For E_MBN_DEFAULT_PROFILE_EXIST, 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_DEFAULT_PROFILE_EXIST
- Record the exact COM method or Windows API, its input object, the calling thread, and the full 0x80548219 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_DEFAULT_PROFILE_EXIST or the mbn / default / profile / exist operation.
- For E_MBN_DEFAULT_PROFILE_EXIST, 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_DEFAULT_PROFILE_EXIST
Retry E_MBN_DEFAULT_PROFILE_EXIST only when the owning API documents a transient state or after the condition described as “Default profile exist.” has changed. For E_MBN_DEFAULT_PROFILE_EXIST, 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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