If you want to learn how to troubleshoot AdminP issues based on why they occur rather than just finding solutions to specific issues, the white paper, "Troubleshooting the IBM Lotus Domino Administration Process" is for you:
Abstract: This white paper presents an intuitive and systematic way to troubleshoot issues involving the IBM Lotus Domino Administration Process (AdminP). It explains why issues occur rather than providing solutions to specific issues, so Domino Administrators can learn how to troubleshoot AdminP issues and learn how the process is affected by the other product features with which it interacts. This document also includes updated information useful for Fix it here the Administration Process for Domino release 8.
Thanks go to David Branch for authoring the paper!