BPM Success Depends on Accurate Process Capture

Most (if not all) BPM solution vendors promote the use of modeling tools to create processes, and while this is of benefit, the primary requirement is to capture as-is processes that exist already within every organization. This may appear to the uninitiated as a simple task, but the reality is far different. As-is process capture is possibly the most contentious issue around in the use of BPM.
Source: CBR Online, http://cbronline.com