Learn Dynamics 365 Finance and Operations(Axapta)

http://arsalanax.blogspot.com/ 2012/01/ dynamics-ax-technical-consultan t.html

Error  -- at services.msc windows could not start the DAX AOS 5.0$01-xyz_ax on local computer.For more information,review the system event log. If this is a non-microsoft service, contact the service vemdor, and refer to service-specific error code 110. Log at Event viewer  -- Concurrent number of AOS' for this application exceeds the licensed number Resolution -  This is a known issue in Ax, in case of multiple AOS installation, to overcome this issue , First you have to go to Services.msc and there you must first stop the active instance of AOS and then try to start the Other Instance , the second AOS will start in this way, now you can come back to the first AOS and start that also , so both the AOS will get started by following these steps.