You must perform the following pre-installation steps manually before installing Mobile Access packages. These steps must be performed before installing Java Enterprise System 4. On a machine without any Java Enterprise Server or Portal Server 7 packages, replace some JES4 installation packages with Portal Server 7 installation packages.
In the Java Enterprise System 4 installer location, replace SUNWamma and SUNWammae packages with SUNWamma and SUNWammae packages from Portal Server 7 installer. The path to the folder is JES4-location/Solaris_sparc/Product/identity_svr/Packages/.
After performing the preceding manual replacement of packages, you can proceed with installation of JES 4 components followed by Portal Server 7 installation and configuration.