Patch the Solaris OS 9 distribution on the management server as described in To Patch the Solaris OS 9 Distribution on the Management Server.
Log in as root (su - root) on the management server server.
Edit the /etc/exports file and change /js *(rw,no_root_squash) to /js *(ro,no_root_squash).
Save and close the file.
Type /etc/init.d/nfs restart to restart NFS.
Update the Solaris 9 OS distribution bootenv.rc file as described in the next procedure.