How to put Ax 2009 machine back to a clean state (remove the usr layer)

1. Stop the AOS (default service name is AOS50$01 for AX5).


2. Delete the user layer aod file (…\Microsoft Dynamics AX\50\Application\Appl\AXDB_App\axusr.aod) and *.aoi files.


3. Delete the metadata file in client %userprofile%\AppData\*.auc


4. Start the AOS.


5. Run AX client and do a synchronize on the Data Dictionary node on the AOT tree.