Mac OS 9: Not Supported In MacOS.app

Can Mac OS 9.0 be installed in the MacOS.app (a.k.a. "Blue Box") on Mac OS X Server?
No, Mac OS 9.0 is not compatible with the MacOS.app on Mac OS X Server. However, It can be used with Mac OS X Server's NetBoot feature.

Note: NetBoot images on Mac OS X Server require a Mac OS 9 license for each NetBoot client.
Published Date: Feb 20, 2012