Sometime back I created a custom utility to install revit command and uploaded at augi.com at http://forums.augi.com/showthread.php?t=67696 This exe file installed custom command DLLs one at a time.
I uploaded a tweaked version of this utility at
that might help CAD Managers. This utility installs a bunch of DLLs in a system. CAD Managers can run this utility through a windows script or batch file.
You have to be a member to access augi links. Membership is free. (Or you can email me if you want a copy of the ZIP file that contains the instructions and the code)