What does HRESULT 0x80045352 (FSRM_E_INPROC_MODULE_BLOCKED) mean?

 
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FSRM_E_NO_PROPERTY_VALUE FSRM_E_ENUM_PROPERTIES_FAILED

FSRM_E_INPROC_MODULE_BLOCKED

FSRM_E_INPROC_MODULE_BLOCKED means FSRM refused to run an unknown or unapproved pipeline module inside the service process. In-process modules share the service failure and security boundary, so FSRM applies stricter restrictions than for hosted modules.

Use the supported hosting model

  • Verify the module definition, COM identity, vendor deployment, and account configuration.
  • Prefer the documented hosted/out-of-process account mode unless the module is explicitly trusted for service-process execution.
  • Test OnLoad, connector binding, and unload behavior before enabling production rules.

Do not weaken service security or copy an arbitrary DLL into a trusted location to bypass the block. A crash, deadlock, or memory corruption in an in-process classifier affects the whole FSRM service. Correct the installer and module definition, and use event logs to confirm which module identity was rejected.

Module account · Pipeline OnLoad · MS-FSRM overview


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