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COMADMIN_E_CANTCOPYFILE
COM+ application package and file operation: exact meaning of COMADMIN_E_CANTCOPYFILE
A required file could not be copied during COM+ deployment or export. The operation has identified source and destination artifacts but fails in the file-copy phase.
Windows describes this condition as “An error occurred copying the file”.
Where the result occurs
The HRESULT belongs to COM+ package/import/export processing; the package path, file bytes, deployment identity, and target catalog must be correlated before changing the system. In the specific case of this result, record source and destination paths, hashes, ACLs, free space, sharing violations, and whether antivirus or deployment tooling intercepted the copy.
Evidence to collect before repair
- Preserve exact source/destination paths and the caller identity; it anchors the failure to the real administration object.
- Evidence should include file size, hash, version, signature, and timestamps, captured before a repair changes state.
- Collect source and target Windows/COM+ versions when diagnosing this result; without it the symbolic HRESULT is underdetermined.
- Record underlying file-system or package-validation error from events.
Diagnostic sequence
- Preserve the original package before attempting repair.
- validate path access and package integrity under the actual identity.
- The next diagnostic action is to compare export options and target-platform support.
- To isolate this result, regenerate the package from a coherent source application when metadata is wrong.
- Repeat the complete supported install/export operation and verify catalog state.
Retry and recovery
Resolve the concrete copy failure and restart the supported COM+ operation; avoid manually copying only one file from a multi-file package.
Difference from nearby COMADMIN results
COMADMIN_E_APP_FILE_WRITEFAIL concerns writing the application file, while this code can involve a component, type library, proxy/stub, or package companion file.
Practical administration scenario
Component installation reads the DLL but cannot copy a dependent type library into the application directory.
Official Microsoft references
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