diff --git a/release/rc.local b/release/rc.local
index 943c175ddd52..a2c1676313c5 100755
--- a/release/rc.local
+++ b/release/rc.local
@@ -1,7 +1,57 @@
 #!/bin/sh
-# $FreeBSD$
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2022 Jessica Clarke <jrtc27@FreeBSD.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+
+bsdinstall_multicons_disabled()
+{
+	local var value
+
+	var=bsdinstall.multicons_disable
+	value=`kenv -q $var`
+	case "${value:-NO}" in
+	[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
+		return 0
+		;;
+	[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
+		return 1
+		;;
+	*)
+		warn "$var is not set properly, ignoring"
+		return 1
+		;;
+	esac
+}
 
 # resolv.conf from DHCP ends up in here, so make sure the directory exists
 mkdir /tmp/bsdinstall_etc
 
-/usr/libexec/bsdinstall/startbsdinstall
+if bsdinstall_multicons_disabled; then
+	/usr/libexec/bsdinstall/startbsdinstall primary
+else
+	echo
+	/usr/libexec/bsdinstall/runconsoles /usr/libexec/bsdinstall/startbsdinstall %
+fi
diff --git a/usr.sbin/bsdinstall/startbsdinstall b/usr.sbin/bsdinstall/startbsdinstall
index 3a5a07e85b4d..0a8207df9bd8 100644
--- a/usr.sbin/bsdinstall/startbsdinstall
+++ b/usr.sbin/bsdinstall/startbsdinstall
@@ -1,97 +1,100 @@
 #!/bin/sh
 
 : ${BSDDIALOG_OK=0}
 : ${BSDDIALOG_CANCEL=1}
 : ${BSDDIALOG_HELP=2}
 : ${BSDDIALOG_EXTRA=3}
 : ${BSDDIALOG_ESC=5}
 : ${BSDDIALOG_ERROR=255}
 
 kbdcontrol -d >/dev/null 2>&1
 if [ $? -eq 0 ]; then
 	# Syscons: use xterm, start interesting things on other VTYs
 	TERM=xterm
 
 	# Don't send ESC on function-key 62/63 (left/right command key)
 	kbdcontrol -f 62 '' > /dev/null 2>&1
 	kbdcontrol -f 63 '' > /dev/null 2>&1
 
 	if [ -z "$EXTERNAL_VTY_STARTED" ]; then
 		# Init will clean these processes up if/when the system
 		# goes multiuser
 		touch /tmp/bsdinstall_log
 		tail -f /tmp/bsdinstall_log > /dev/ttyv2 &
 		/usr/libexec/getty autologin ttyv3 &
 		EXTERNAL_VTY_STARTED=1
 	fi
 else
 	# Serial or other console
 	echo
 	echo "Welcome to FreeBSD!"
 	echo
 	echo "Please choose the appropriate terminal type for your system."
 	echo "Common console types are:"
 	echo "   ansi     Standard ANSI terminal"
 	echo "   vt100    VT100 or compatible terminal"
 	echo "   xterm    xterm terminal emulator (or compatible)"
 	echo
 	echo -n "Console type [vt100]: "
 	read TERM
 	TERM=${TERM:-vt100}
 fi
 export TERM
 
 # Query terminal size; useful for serial lines.
 resizewin -z
 
 if [ -f /etc/installerconfig ]; then
-	if bsdinstall script /etc/installerconfig; then
+	if [ "$1" != "primary" ]; then
+		bsddialog --backtitle "FreeBSD Installer" --title "Installing" --msgbox "FreeBSD is being installed from a script; please use the primary console." 0 0
+		. "$0"
+	elif bsdinstall script /etc/installerconfig; then
 		bsddialog --backtitle "FreeBSD Installer" --title "Complete" --no-cancel --ok-label "Reboot" --pause "Installation of FreeBSD complete! Rebooting in 10 seconds" 10 30 10
 		reboot
 	else
 		bsddialog --backtitle "FreeBSD Installer" --title "Error" --textbox /tmp/bsdinstall_log 0 0
 	fi
 	exit 
 fi
 
 bsddialog --backtitle "FreeBSD Installer" --title "Welcome" --extra-button --extra-label "Shell" --ok-label "Install" --cancel-label "Live CD" --yesno "Welcome to FreeBSD! Would you like to begin an installation or use the live CD?" 0 0
 
 case $? in
 $BSDDIALOG_OK)	# Install
 	# If not netbooting, have the installer configure the network
 	dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null`
 	if [ ${dlv:=0} -eq 0 -a ! -f /etc/diskless ]; then
 		BSDINSTALL_CONFIGCURRENT=yes; export BSDINSTALL_CONFIGCURRENT
 	fi
 
 	trap true SIGINT	# Ignore cntrl-C here
 	bsdinstall
 	if [ $? -eq 0 ]; then
 		bsddialog --backtitle "FreeBSD Installer" --title "Complete" --ok-label "Reboot" --extra-button --extra-label "Shutdown" --cancel-label "Live CD" --yesno "Installation of FreeBSD complete! Would you like to reboot into the installed system now?" 0 0
 
 		case $? in
 		$BSDDIALOG_OK)		# Reboot
 			reboot
 			;;
 		$BSDDIALOG_EXTRA)	# Shutdown
 			shutdown -p now
 			;;
 		$BSDDIALOG_CANCEL)	# Live CD
 			exit 0
 			;;
 		esac
 	else
 		. "$0"
 	fi
 	;;
 $BSDDIALOG_CANCEL)	# Live CD
 	exit 0
 	;;
 $BSDDIALOG_EXTRA)	# Shell
 	clear
 	echo "When finished, type 'exit' to return to the installer."
 	/bin/sh
 	. "$0"
 	;;
 esac