Enable breakpoint through Ax Server Configuration utility

1. Click Start > Control Panel > Administrative Tools > Microsoft Dynamics AX 2009
Server Configuration to open the Microsoft Dynamics AX Server Configuration utility .
2. Click Manage and then select Create configuration. .
3. In the Create Configuration form, name the new configuration and click OK.
4. On the Application Object Server tab, select Enable breakpoints to debug code X++ code running on this server.
5. Click Apply.
6. If a message is displayed that indicates that the AOS should be restarted, click OK.