diff --git a/multi-node-aio/tools/downgrade-all-VMs.sh b/multi-node-aio/tools/downgrade-all-VMs.sh
new file mode 100644
index 00000000..07920a71
--- /dev/null
+++ b/multi-node-aio/tools/downgrade-all-VMs.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+#eg. KERNEL_VERSION="3.13.0-98"
+KERNEL_VERSION=${KERNEL_VERSION:-false}
+
+if [[ "${KERNEL_VERSION}" = false ]]; then
+  echo "Please setup the KERNEL_VERSION before running this script"
+  exit 1
+fi
+
+pushd ..
+source functions.rc
+for node in $(get_all_hosts); do
+  ssh -q -t -o StrictHostKeyChecking=no 10.0.0.${node#*":"} KERNEL_VERSION="${KERNEL_VERSION}" 'bash -s' < tools/ubuntu-downgrade.sh
+done
diff --git a/multi-node-aio/tools/ubuntu-kernel-downgrade.sh b/multi-node-aio/tools/ubuntu-kernel-downgrade.sh
new file mode 100755
index 00000000..95f12875
--- /dev/null
+++ b/multi-node-aio/tools/ubuntu-kernel-downgrade.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+#eg. KERNEL_VERSION="3.13.0-98"
+KERNEL_VERSION=${KERNEL_VERSION:-false}
+
+if [[ "${KERNEL_VERSION}" = false ]]; then
+  echo "Please setup the KERNEL_VERSION before running this script"
+  exit 1
+fi
+
+sudo apt-get update
+sudo aptitude install -y linux-image-${KERNEL_VERSION}-generic \
+     linux-headers-${KERNEL_VERSION} linux-image-extra-${KERNEL_VERSION}-generic
+
+sudo sed -i "s/GRUB_DEFAULT=.*/GRUB_DEFAULT=\"Advanced options for Ubuntu>Ubuntu, with Linux ${KERNEL_VERSION}-generic\"/" /etc/default/grub
+sudo update-grub
+sudo reboot