Windows Core server is missing the 32-bit subsystem component.

Windows Core versions allow for in-depth customization of the operating system. Including the removal of the 32-bit subsystem that enables execution of 32-bit applications. The 32-bit subsystem is a needed component for the execution of 32-bit applications on Windows Core operating systems.

MA 5.x includes several processes that are 32-bit, including macompatsvc.exe and McScript_InUse.exe, and requires the 32-bit subsystem for normal operation.