Hello, I've created a .dll containing a new command. I made it with Visual Studio 2015 and tested it on AutoCAD 2017. The thing is, I need to use it on another computer with AutoCAD 2012 on it. The problem is that the NETLOAD command on 2012 seems to work but when I type my command, it doesn't exist. Is it a problem of framework or anything else ? Is it a common problem ? I hope someone has a trick to resolve that, thank you.