What does HRESULT 0x80110434 (COMADMIN_E_COMPFILE_NOREGISTRAR) mean?

 
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COMADMIN_E_SYSTEMAPP COMADMIN_E_COREQCOMPINSTALLED

COMADMIN_E_COMPFILE_NOREGISTRAR

COMADMIN_E_COMPFILE_NOREGISTRAR is the failure HRESULT 0x80110434 (signed decimal -2146368460, unsigned decimal 2148598836). Its severity bit is 1, facility is 17 (FACILITY_ITF), and the facility-specific code field is 0x0434.

COM registration, type library, and component installation: exact meaning of COMADMIN_E_COMPFILE_NOREGISTRAR

The component file references registrar functionality that is not available. COM+ discovers a registrar dependency in component metadata but cannot instantiate or locate it.

AllStat records this condition as “The component registrar referenced in this file is not available”.

Where COMADMIN_E_COMPFILE_NOREGISTRAR occurs

The COM+ catalog presents a split view of RegDB and Windows class/type-library registration, so the failing stage must be identified before editing either store. In the specific case of COMADMIN_E_COMPFILE_NOREGISTRAR, record registrar CLSID/progID, registration, binary path, architecture, and package contents.

Evidence to collect before repair

  • Evidence for COMADMIN_E_COMPFILE_NOREGISTRAR should include CLSID/IID/LIBID values and 32/64-bit registry view, captured before a repair changes state.
  • Collect component, type-library, and proxy/stub paths with hashes when diagnosing COMADMIN_E_COMPFILE_NOREGISTRAR; without it the symbolic HRESULT is underdetermined.
  • The COMADMIN_E_COMPFILE_NOREGISTRAR investigation needs loader or DllRegisterServer/DllGetClassObject result so the exact failing boundary remains reconstructable.
  • For COMADMIN_E_COMPFILE_NOREGISTRAR, preserve COM+ installation ErrorInfo and relevant event records; it anchors the failure to the real administration object.

Diagnostic sequence for COMADMIN_E_COMPFILE_NOREGISTRAR

  • At the COMADMIN_E_COMPFILE_NOREGISTRAR boundary, verify the exact binary architecture and dependencies.
  • The next COMADMIN_E_COMPFILE_NOREGISTRAR diagnostic action is to load and inspect the matching type library without substituting another version.
  • To isolate COMADMIN_E_COMPFILE_NOREGISTRAR, repair registration using the component installer.
  • For COMADMIN_E_COMPFILE_NOREGISTRAR, install rather than import when full interface metadata is required.
  • At the COMADMIN_E_COMPFILE_NOREGISTRAR boundary, repopulate the catalog and test class activation after repair.

Difference from nearby COMADMIN results

COMADMIN_E_REGISTRARFAILED means the registrar ran and reported errors; this code means the referenced registrar could not be used.

Retry and recovery

Install the required registrar or rebuild the component package to use an available supported registration path.

Practical administration scenario

A component package names a custom registrar DLL that was omitted from the destination deployment.

Official Microsoft references for COMADMIN_E_COMPFILE_NOREGISTRAR

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