diff --git a/app/authenticated/route.js b/app/authenticated/route.js
index 358873b0bb..c769029f9d 100644
--- a/app/authenticated/route.js
+++ b/app/authenticated/route.js
@@ -352,6 +352,18 @@ export default Route.extend(Preload, {
   },
 
   testAuthToken() {
+    // If not embedded and not dev mode, then direct access is disabled
+    const isDev = get(this, 'app.environment') === 'development';
+    const noDirectAccess = !isDev && !isEmbedded();
+
+    if (noDirectAccess) {
+      return Promise.reject({
+        status:          410,
+        useVueDashboard: true,
+        dashboardLink:   get(this, 'scope.dashboardBase')
+      });
+    }
+
     return this.access.testAuth()
       .catch(() => {
         set(this, `session.${ C.SESSION.BACK_TO }`, window.location.href);
diff --git a/app/fail-whale/controller.js b/app/fail-whale/controller.js
new file mode 100644
index 0000000000..66c200417d
--- /dev/null
+++ b/app/fail-whale/controller.js
@@ -0,0 +1,11 @@
+import Controller from '@ember/controller';
+
+export default Controller.extend({
+  actions: {
+    gotoDashboard() {
+      const url = this.get('model.dashboardLink') || '/';
+
+      window.location.href = url;
+    },
+  },
+});
diff --git a/app/fail-whale/template.hbs b/app/fail-whale/template.hbs
index 3e4029bfbd..67887c9e95 100644
--- a/app/fail-whale/template.hbs
+++ b/app/fail-whale/template.hbs
@@ -1,15 +1,27 @@
 <section class="fail-whale">
-  <div class="error">
-    <h2 class="bg-error">{{t 'failWhalePage.header'}}</h2>
-    <div class="p-20">
-      <h4 class="mt-20">{{model.code}} {{#if model.status}}({{model.status}}){{/if}}</h4>
-      <p>{{model.message}}</p>
-      <p class="small">{{model.detail}}</p>
-      <div class="mt-20">
-        {{t 'failWhalePage.reloadButton' htmlSafe=true}} <a class="hand" {{action "logout"}}>{{t 'failWhalePage.logoutButton'}}</a>
+  {{#if model.useVueDashboard }}
+    <div class="error">
+      <h2 class="bg-error">{{t 'legacyRemoved.title'}}</h2>
+      <div class="p-20">
+        <h4 class="">{{t 'legacyRemoved.message'}}</h4>
+        <button class="btn bg-primary btn-sm mt-20" type="button" {{action "gotoDashboard"}}>
+          {{t 'legacyRemoved.action'}}
+        </button>
       </div>
     </div>
-  </div>
+  {{else}}
+    <div class="error">
+      <h2 class="bg-error">{{t 'failWhalePage.header'}}</h2>
+      <div class="p-20">
+        <h4 class="mt-20">{{model.code}} {{#if model.status}}({{model.status}}){{/if}}</h4>
+        <p>{{model.message}}</p>
+        <p class="small">{{model.detail}}</p>
+        <div class="mt-20">
+          {{t 'failWhalePage.reloadButton' htmlSafe=true}} <a class="hand" {{action "logout"}}>{{t 'failWhalePage.logoutButton'}}</a>
+        </div>
+      </div>
+    </div>
+  {{/if}}
 
   {{#if settings.isRancher}}
     <div class="failplane">
diff --git a/scripts/patch-docker b/scripts/patch-docker
new file mode 100755
index 0000000000..887cf53dba
--- /dev/null
+++ b/scripts/patch-docker
@@ -0,0 +1,84 @@
+#!/usr/bin/env bash
+
+DIR=$(cd $(dirname $0)/..; pwd)
+
+CYAN="\033[96m"
+YELLOW="\033[93m"
+RESET="\033[0m"
+BOLD="\033[1m"
+
+echo -e "${CYAN}${BOLD}==================================================${RESET}"
+echo -e "${CYAN}${BOLD}Patch running Rancher Docker container with dev UI${RESET}"
+echo -e "${CYAN}${BOLD}==================================================${RESET}"
+echo ""
+echo "This script will build the UI and copy the built UI into the specified running Rancher container"
+echo ""
+
+if [ -z "$1" ]; then
+  echo -e "${YELLOW}Need ID of Rancher container to patch${RESET}"
+  exit 1
+fi
+
+DOCKER=$(docker version > /dev/null)
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}Can not run Docker commands - is Docker running?${RESET}"
+  exit 1
+fi
+
+CONTAINER=$1
+
+SKIP_BUILD="false"
+
+if [ "$2" == "-s" ]; then
+  echo "Skipping build"
+  SKIP_BUILD="true"
+fi
+
+# Check container exists and looks like a Rancher container
+VERSION=$(docker exec ${CONTAINER} /bin/bash -c "printenv CATTLE_UI_VERSION")
+
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}Could not get version env var from container - check the container ID${RESET}"
+  exit 1
+fi
+
+echo "UI version from existing container: ${VERSION}"
+
+# Check we have node and yarn installed
+
+node --version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}node does not appear to be installed - this is required to build the UI${RESET}"
+  exit 1
+fi
+
+yarn --version > /dev/null 2>&1
+if [ $? -ne 0 ]; then
+  echo -e "${YELLOW}yarn does not appear to be installed - this is required to build the UI${RESET}"
+  exit 1
+fi
+
+if [ ! -d node_modules ]; then
+  echo -e "${YELLOW}node_modules folder does not exist - running yarn install${RESET}"
+  yarn install
+  echo -e "${CYAN}Building production build of the UI${RESET}"
+fi
+
+rm -rf ${DIR}/dist
+mkdir -p ${DIR}/dist
+
+UI_MODE="" RANCHER="" CATALOG="" ${DIR}/node_modules/.bin/ember build --environment=production --output-path=${DIR}/dist
+
+rm -f dist.tar
+tar -cvf dist.tar dist/
+
+docker exec -it ${CONTAINER} bash -c "cd /usr/share/rancher/ui; rm -rf *"
+docker cp dist.tar ${CONTAINER}:/usr/share/rancher/ui
+rm -f dist.tar
+
+docker exec -it ${CONTAINER} bash -c "cd /usr/share/rancher/ui; tar -xvf dist.tar --strip-components=1"
+
+echo ""
+echo "All done"
+echo -e "${YELLOW}Note: It is recommended to set the Rancher 'ui-offline-preferred' setting to 'Local' to ensure the embedded UI is always used${RESET}"
+echo ""
diff --git a/translations/en-us.yaml b/translations/en-us.yaml
index ad3ef2d55c..1930925199 100644
--- a/translations/en-us.yaml
+++ b/translations/en-us.yaml
@@ -169,6 +169,13 @@ realmNames:
   euWest: EU West
   euEast: EU East
 
+
+## Error page for UI access removed ##
+legacyRemoved:
+  title: The Legacy UI has been removed
+  message: Please use the new Rancher Dashboard UI
+  action: Goto Dashboard
+
 ##############################
 # Routes
 ##############################