Solution – Windows 2012 installation Framework 3.5 in VMWare

Mount the system image
, open the server manager, click “add roles or functions”
next
next
next
do not need to operate here, directly next
check Framework 3.5 here, and then next
click specify alternate source path option
A289885427 here you need to fill in the alternate source path
open the mounted system image, enter the specified location, copy the path
fill in the alternate source path, confirm, and then click Install
to start the installation, wait for the installation to complete
to finish the installation, and then close VMware.