Install Microsoft Dynamics AX on local system without Domain

First, Go to System Properties > Advanced Tab > Environment Variables > System Variables then click New.

Put "UserDnsDomain" on the Variable name. Put any value on the variable value.

run Registry Editor or regedit. go to

Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ComputerName\ActiveComputerName

put any value on the value data.

Install AX.

Note: After Installing AX, change your ActiveComputerName in the Registry to your default computer name. Use the Computer Name in installing the AOS (computer name before changing the registry.)

then restart.