diff --git a/vms/autoinstall/bootstrap/bootstrap-stretch-winterfell-script.txt b/vms/autoinstall/bootstrap/bootstrap-stretch-winterfell-script.txt
new file mode 100644
index 0000000..e522365
--- /dev/null
+++ b/vms/autoinstall/bootstrap/bootstrap-stretch-winterfell-script.txt
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Add the kolab repository.
+cat > /etc/apt/sources.list.d/kolab.list << EOF
+deb http://obs.kolabsys.com/repositories/Kolab:/Winterfell/Debian_9.0/ ./
+deb-src http://obs.kolabsys.com/repositories/Kolab:/Winterfell/Debian_9.0/ ./
+EOF
+
+wget http://obs.kolabsys.com/repositories/Kolab:/Winterfell/Debian_9.0/Release.key
+apt-key add Release.key || :
+rm -rf Release.key
+
+apt-get update || :
+
+wget -q -O/tmp/common.sh "http://git.kolab.org/kolab-scripts/plain/autoinstall/bootstrap/common.txt"
+chmod 755 /tmp/common.sh
+/tmp/common.sh
+
+chown -R developer:developer ~developer
diff --git a/vms/autoinstall/stretch-winterfell.cfg b/vms/autoinstall/stretch-winterfell.cfg
new file mode 100644
index 0000000..f04e338
--- /dev/null
+++ b/vms/autoinstall/stretch-winterfell.cfg
@@ -0,0 +1,46 @@
+d-i debian-installer/locale string en_US
+d-i console-keymaps-at/keymap select us
+d-i netcfg/choose_interface select auto
+d-i netcfg/get_hostname kolab.example.org
+d-i netcfg/get_domain kolab.example.org
+d-i netcfg/wireless_wep string
+d-i mirror/country string enter information manually
+d-i mirror/http/hostname string ftp.debian.org
+d-i mirror/http/directory string /debian/
+d-i clock-setup/utc boolean true
+d-i time/zone string Europe/Zurich
+d-i clock-setup/ntp boolean true
+
+d-i partman-auto/disk string /dev/vda
+d-i partman-auto/method string lvm
+d-i partman-auto/choose_recipe select atomic
+d-i partman-lvm/confirm boolean true
+d-i partman-lvm/device_remove_lvm boolean true
+d-i partman-lvm/confirm_nooverwrite boolean true
+d-i partman/choose_partition select finish
+d-i partman-partitioning/confirm_write_new_label boolean true
+d-i partman/choose_partition select finish
+d-i partman/confirm boolean true
+d-i partman/confirm_nooverwrite boolean true
+
+d-i passwd/root-password password Welcome2KolabSystems
+d-i passwd/root-password-again password Welcome2KolabSystems
+
+d-i passwd/user-fullname string Kolab Systems User
+d-i passwd/username string developer
+d-i passwd/user-password password Welcome2KolabSystems
+d-i passwd/user-password-again password Welcome2KolabSystems
+
+d-i apt-setup/non-free boolean true
+d-i apt-setup/contrib boolean true
+
+tasksel tasksel/first multiselect standard
+d-i pkgsel/include select openssh-server sysv-rc-conf wget
+d-i popularity-contest/participate boolean false
+
+d-i grub-installer/only_debian boolean true
+d-i grub-installer/with_other_os boolean true
+
+d-i preseed/late_command string in-target wget -q -O/root/init.sh http://cgit.kolab.org/stick/plain/vms/autoinstall/bootstrap/bootstrap-stretch-winterfell-script.txt; in-target chmod +x /root/init.sh; in-target bash /root/init.sh
+
+d-i finish-install/reboot_in_progress note