You can set Microsoft Dynamics AX to always open a specific Application Object Tree (AOT) layer when it starts by using the Configuration Utility.

1. Open the Configuration Utility ( Start> Control Panel> Administrative Tools> Microsoft Dynamics AX Configuration Utility).

2. Verify that the currently open configuration target and configuration are the ones you want to modify.

3. On the Developertab, in the Application Object Layer to openlist, select the layer you would like to open, click Applyand then click OK.