What does HRESULT 0x8011041A (COMADMIN_E_DLLREGISTERSERVER) mean?

 
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COMADMIN_E_DLLREGISTERSERVER

COMADMIN_E_DLLREGISTERSERVER is the failure HRESULT 0x8011041A (signed decimal -2146368486, unsigned decimal 2148598810). Its severity bit is 1, facility is 17 (FACILITY_ITF), and the facility-specific code field is 0x041A.

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

The component DLL DllRegisterServer entry point returned failure during installation. InstallComponent loads the in-process server and asks its self-registration routine to register COM metadata.

AllStat records this condition as “DllRegisterServer failed on component install”.

Evidence to collect before repair

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

Where COMADMIN_E_DLLREGISTERSERVER 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_DLLREGISTERSERVER, capture the HRESULT returned by DllRegisterServer, loader diagnostics, dependencies, architecture, privileges, and registry changes attempted.

Diagnostic sequence for COMADMIN_E_DLLREGISTERSERVER

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

Retry and recovery

Correct the component installer or dependencies and reinstall; do not ignore the registration failure and create catalog entries manually.

Practical administration scenario

A component loads successfully but DllRegisterServer cannot write a required machine-wide registration key.

Difference from nearby COMADMIN results

COMADMIN_E_DLLLOADFAILED means the DLL could not be loaded, whereas this code means loading reached DllRegisterServer and that call failed.

Official Microsoft references for COMADMIN_E_DLLREGISTERSERVER

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