I get "The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)" error when trying to score a Project file.

This is an error from Microsoft Project. While cryptic and uninformative, it means that Project has stopped allowing Analyzer to communicate with it for unknown reasons.

A list of things to consider:

  • There may be a prompt in Project. Project will not allow Analyzer to communicate with it if a prompt is up. Clear the prompt and try again.
  • The operation took too long. If you're opening a large file or Project is responding slowly, Project may return this error. Try opening the file manually and retry your operation.
  • Communication between SPA and Project has been broken. Try closing Analyzer and Project. Start Microsoft Project, open the file, and then start Analyzer.

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