diff --git a/ui/packages/consul-ui/app/components/consul/node/agentless-notice/index.js b/ui/packages/consul-ui/app/components/consul/node/agentless-notice/index.js
index 6cc18594cf..ed9d311279 100644
--- a/ui/packages/consul-ui/app/components/consul/node/agentless-notice/index.js
+++ b/ui/packages/consul-ui/app/components/consul/node/agentless-notice/index.js
@@ -1,34 +1,27 @@
 import Component from '@glimmer/component';
 import { action } from '@ember/object';
-import { tracked } from '@glimmer/tracking';
-
-const DISMISSED_VALUE = 'true';
+import { storageFor } from '../../../../services/local-storage';
 
 export default class AgentlessNotice extends Component {
-  storageKey = 'consul-nodes-agentless-notice-dismissed';
-  @tracked hasDismissedNotice = false;
+  storageKey = 'nodes-agentless-dismissed';
+  @storageFor('notices') notices;
 
   constructor(owner, args) {
     super(owner, args);
 
     if (this.args.postfix) {
-      this.storageKey = `consul-nodes-agentless-notice-dismissed-${this.args.postfix}`;
-    }
-
-    if (window.localStorage.getItem(this.storageKey) === DISMISSED_VALUE) {
-      this.hasDismissedNotice = true;
+      this.storageKey = `nodes-agentless-dismissed-${this.args.postfix}`;
     }
   }
 
   get isVisible() {
     const { items, filteredItems } = this.args;
 
-    return !this.hasDismissedNotice && items.length > filteredItems.length;
+    return !this.notices.state.includes(this.storageKey) && items.length > filteredItems.length;
   }
 
   @action
   dismissAgentlessNotice() {
-    window.localStorage.setItem(this.storageKey, DISMISSED_VALUE);
-    this.hasDismissedNotice = true;
+    this.notices.add(this.storageKey);
   }
 }
diff --git a/ui/packages/consul-ui/app/services/local-storage.js b/ui/packages/consul-ui/app/services/local-storage.js
new file mode 100644
index 0000000000..b882855702
--- /dev/null
+++ b/ui/packages/consul-ui/app/services/local-storage.js
@@ -0,0 +1,126 @@
+import Service from '@ember/service';
+import { getOwner } from '@ember/application';
+import ENV from 'consul-ui/config/environment';
+
+export function storageFor(key) {
+  return function () {
+    return {
+      get() {
+        const owner = getOwner(this);
+
+        const localStorageService = owner.lookup('service:localStorage');
+
+        return localStorageService.getBucket(key);
+      },
+    };
+  };
+}
+
+/**
+ * An in-memory stub of window.localStorage. Ideally this would
+ * implement the [Storage](https://developer.mozilla.org/en-US/docs/Web/API/Storage)-interface that localStorage implements
+ * as well.
+ *
+ * We use this implementation during testing to not pollute `window.localStorage`
+ */
+class MemoryStorage {
+  constructor() {
+    this.data = new Map();
+  }
+
+  getItem(key) {
+    return this.data.get(key);
+  }
+
+  setItem(key, value) {
+    return this.data.set(key, value.toString());
+  }
+
+  /**
+   * A function to seed data into MemoryStorage. This expects an object to be
+   * passed. The passed values will be persisted as a string - i.e. the values
+   * passed will call their `toString()`-method before writing to storage. You need
+   * to  take this into account when you want to persist complex values, like arrays
+   * or objects:
+   *
+   * Example:
+   *
+   * ```js
+   * const storage = new MemoryStorage();
+   * storage.seed({ notices: ['notice-a', 'notice-b']});
+   *
+   * storage.getItem('notices') // => 'notice-a,notice-b'
+   *
+   * // won't work
+   * storage.seed({
+   *   user: { name: 'Tomster' }
+   * })
+   *
+   * storage.getItem('user') // => '[object Object]'
+   *
+   * // this works
+   * storage.seed({
+   * .  user: JSON.stringify({name: 'Tomster'})
+   * })
+   *
+   * storage.getItem('user') // => '{ "name": "Tomster" }'
+   * ```
+   * @param {object} data - the data to seed
+   */
+  seed(data) {
+    const newData = new Map();
+
+    const keys = Object.keys(data);
+
+    keys.forEach((key) => {
+      newData.set(key, data[key].toString());
+    });
+
+    this.data = newData;
+  }
+}
+
+/**
+ * There might be better ways to do this but this is good enough for now.
+ * During testing we want to use MemoryStorage not window.localStorage.
+ */
+function initStorage() {
+  if (ENV.environment === 'test') {
+    return new MemoryStorage();
+  } else {
+    return window.localStorage;
+  }
+}
+
+/**
+ * A service that wraps access to local-storage. We wrap
+ * local-storage to not pollute local-storage during testing.
+ */
+export default class LocalStorageService extends Service {
+  constructor() {
+    super(...arguments);
+
+    this.storage = initStorage();
+    this.buckets = new Map();
+  }
+
+  getBucket(key) {
+    const bucket = this.buckets.get(key);
+
+    if (bucket) {
+      return bucket;
+    } else {
+      return this._setupBucket(key);
+    }
+  }
+
+  _setupBucket(key) {
+    const owner = getOwner(this);
+    const Klass = owner.factoryFor(`storage:${key}`).class;
+    const storage = new Klass(key, this.storage);
+
+    this.buckets.set(key, storage);
+
+    return storage;
+  }
+}
diff --git a/ui/packages/consul-ui/app/storages/base.js b/ui/packages/consul-ui/app/storages/base.js
new file mode 100644
index 0000000000..50a26fa669
--- /dev/null
+++ b/ui/packages/consul-ui/app/storages/base.js
@@ -0,0 +1,14 @@
+export default class Storage {
+  constructor(key, storage) {
+    this.key = key;
+    this.storage = storage;
+
+    this.state = this.initState(this.key, this.storage);
+  }
+
+  initState() {
+    const { key, storage } = this;
+
+    return storage.getItem(key);
+  }
+}
diff --git a/ui/packages/consul-ui/app/storages/notices.js b/ui/packages/consul-ui/app/storages/notices.js
new file mode 100644
index 0000000000..549219764c
--- /dev/null
+++ b/ui/packages/consul-ui/app/storages/notices.js
@@ -0,0 +1,24 @@
+import { TrackedArray } from 'tracked-built-ins';
+import Storage from './base';
+
+export default class Notices extends Storage {
+  initState() {
+    const { key, storage } = this;
+
+    const persisted = storage.getItem(key);
+
+    if (persisted) {
+      return new TrackedArray(persisted.split(','));
+    } else {
+      return new TrackedArray();
+    }
+  }
+
+  add(value) {
+    const { key, storage, state } = this;
+
+    state.push(value);
+
+    storage.setItem(key, [...state]);
+  }
+}
diff --git a/ui/packages/consul-ui/package.json b/ui/packages/consul-ui/package.json
index 146ff10df2..54bf1e27ab 100644
--- a/ui/packages/consul-ui/package.json
+++ b/ui/packages/consul-ui/package.json
@@ -191,6 +191,7 @@
     "text-encoding": "^0.7.0",
     "tippy.js": "^6.2.7",
     "torii": "^0.10.1",
+    "tracked-built-ins": "^3.1.0",
     "unist-util-visit": "^2.0.3",
     "wayfarer": "^7.0.1",
     "webpack": "^5.74.0"
diff --git a/ui/packages/consul-ui/tests/integration/components/consul/node/agentless-notice-test.js b/ui/packages/consul-ui/tests/integration/components/consul/node/agentless-notice-test.js
index 6260447efd..db05c8162f 100644
--- a/ui/packages/consul-ui/tests/integration/components/consul/node/agentless-notice-test.js
+++ b/ui/packages/consul-ui/tests/integration/components/consul/node/agentless-notice-test.js
@@ -2,16 +2,9 @@ import { module, test } from 'qunit';
 import { setupRenderingTest } from 'ember-qunit';
 import hbs from 'htmlbars-inline-precompile';
 import { click, render } from '@ember/test-helpers';
-import sinon from 'sinon';
 
 module('Integration | Component | consul node agentless-notice', function (hooks) {
   setupRenderingTest(hooks);
-  hooks.beforeEach(() => {
-    const localStore = {};
-
-    sinon.stub(window.localStorage, 'getItem').callsFake((key) => localStore[key]);
-    sinon.stub(window.localStorage, 'setItem').callsFake((key, value) => (localStore[key] = value));
-  });
 
   test('it does not display the notice if the filtered nodes are the same as the regular nodes', async function (assert) {
     this.set('nodes', [
@@ -33,7 +26,6 @@ module('Integration | Component | consul node agentless-notice', function (hooks
     await render(
       hbs`<Consul::Node::AgentlessNotice @items={{this.nodes}} @filteredItems={{this.filteredNodes}} />`
     );
-    assert.true(window.localStorage.getItem.called);
     assert
       .dom('[data-test-node-agentless-notice]')
       .doesNotExist(
@@ -66,10 +58,6 @@ module('Integration | Component | consul node agentless-notice', function (hooks
     assert
       .dom('[data-test-node-agentless-notice]')
       .doesNotExist('The agentless notice be dismissed');
-    assert.true(
-      window.localStorage.setItem.calledOnceWith('consul-nodes-agentless-notice-dismissed', 'true'),
-      "Set the key in localstorage to 'true'"
-    );
   });
 
   test('it does not display if the localstorage key is already set to true', async function (assert) {
@@ -81,30 +69,21 @@ module('Integration | Component | consul node agentless-notice', function (hooks
       },
     ]);
 
-    this.set('filteredNodes', [
-      {
-        Meta: {
-          'synthetic-node': false,
-        },
-      },
-    ]);
+    this.set('filteredNodes', []);
 
-    window.localStorage.setItem('consul-nodes-agentless-notice-dismissed-partition', 'true');
+    const localStorage = this.owner.lookup('service:local-storage');
+    localStorage.storage.seed({
+      notices: ['nodes-agentless-dismissed-partition'],
+    });
 
     await render(
       hbs`<Consul::Node::AgentlessNotice @items={{this.nodes}} @filteredItems={{this.filteredNodes}} @postfix="partition" />`
     );
 
-    assert.true(
-      window.localStorage.getItem.calledOnceWith(
-        'consul-nodes-agentless-notice-dismissed-partition'
-      )
-    );
-
     assert
       .dom('[data-test-node-agentless-notice]')
       .doesNotExist(
-        "The agentless notice should not display if the local storage key has already been set to 'true'"
+        'The agentless notice should not display if the dismissal has already been stored in local storage'
       );
   });
 });
diff --git a/ui/yarn.lock b/ui/yarn.lock
index a1b3fb4c01..88940cfa47 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -7862,7 +7862,7 @@ ember-auto-import@^2.2.3, ember-auto-import@^2.4.1, ember-auto-import@^2.4.2:
     typescript-memoize "^1.0.0-alpha.3"
     walk-sync "^3.0.0"
 
-ember-basic-dropdown@3.0.21, ember-basic-dropdown@^3.0.16:
+ember-basic-dropdown@^3.0.16:
   version "3.0.21"
   resolved "https://registry.yarnpkg.com/ember-basic-dropdown/-/ember-basic-dropdown-3.0.21.tgz#5711d071966919c9578d2d5ac2c6dcadbb5ea0e0"
   integrity sha512-Wu9hJWyqorKo+ZT2PMSIO1BxAeAdaiIC2IjSic0+HcKjmMU47botvG0xbxlprimOWaS9vM+nHat6Pt3xPvcB0A==
@@ -7907,7 +7907,7 @@ ember-changeset-validations@~3.9.0:
     ember-get-config "^0.2.4"
     ember-validators "^2.0.0"
 
-ember-changeset@3.10.1, ember-changeset@^3.9.1:
+ember-changeset@^3.9.1:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/ember-changeset/-/ember-changeset-3.10.1.tgz#d6f06bc55f867a2c1ac7c5fd780776bd1e5a9b60"
   integrity sha512-4FoGKRcKxixSr+NBQ+ZoiwwbJE0/fuZRULUp9M1RIHejYhst+U8/ni47SsphrMhoRAcZCeyl+JqlBMlwR7v50g==
@@ -7982,7 +7982,7 @@ ember-cli-babel@^6.0.0, ember-cli-babel@^6.0.0-beta.4, ember-cli-babel@^6.11.0,
     ember-cli-version-checker "^2.1.2"
     semver "^5.5.0"
 
-ember-cli-babel@^7.12.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.26.1, ember-cli-babel@^7.26.11, ember-cli-babel@^7.26.3, ember-cli-babel@^7.26.5, ember-cli-babel@^7.4.0:
+ember-cli-babel@^7.12.0, ember-cli-babel@^7.13.2, ember-cli-babel@^7.26.1, ember-cli-babel@^7.26.10, ember-cli-babel@^7.26.11, ember-cli-babel@^7.26.3, ember-cli-babel@^7.26.5, ember-cli-babel@^7.4.0:
   version "7.26.11"
   resolved "https://registry.yarnpkg.com/ember-cli-babel/-/ember-cli-babel-7.26.11.tgz#50da0fe4dcd99aada499843940fec75076249a9f"
   integrity sha512-JJYeYjiz/JTn34q7F5DSOjkkZqy8qwFOOxXfE6pe9yEJqWGu4qErKxlz8I22JoVEQ/aBUO+OcKTpmctvykM9YA==
@@ -8448,6 +8448,22 @@ ember-cli-typescript@^5.0.0:
     stagehand "^1.0.0"
     walk-sync "^2.2.0"
 
+ember-cli-typescript@^5.1.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/ember-cli-typescript/-/ember-cli-typescript-5.1.1.tgz#cf561026f3e7bd05312c1c212acffa1c30d5fa0c"
+  integrity sha512-DbzATYWY8nbXwSxXqtK8YlqGJTcyFyL+eg6IGCc2ur0AMnq/H+o6Z9np9eGoq1sI+HwX7vBkOVoD3k0WurAwXg==
+  dependencies:
+    ansi-to-html "^0.6.15"
+    broccoli-stew "^3.0.0"
+    debug "^4.0.0"
+    execa "^4.0.0"
+    fs-extra "^9.0.1"
+    resolve "^1.5.0"
+    rsvp "^4.8.1"
+    semver "^7.3.2"
+    stagehand "^1.0.0"
+    walk-sync "^2.2.0"
+
 ember-cli-version-checker@^2.1.0, ember-cli-version-checker@^2.1.2:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/ember-cli-version-checker/-/ember-cli-version-checker-2.2.0.tgz#47771b731fe0962705e27c8199a9e3825709f3b3"
@@ -9247,6 +9263,14 @@ ember-text-measurer@^0.6.0:
     ember-cli-babel "^7.19.0"
     ember-cli-htmlbars "^4.3.1"
 
+ember-tracked-storage-polyfill@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/ember-tracked-storage-polyfill/-/ember-tracked-storage-polyfill-1.0.0.tgz#84d307a1e4badc5f84dca681db2cfea9bdee8a77"
+  integrity sha512-eL7lZat68E6P/D7b9UoTB5bB5Oh/0aju0Z7PCMi3aTwhaydRaxloE7TGrTRYU+NdJuyNVZXeGyxFxn2frvd3TA==
+  dependencies:
+    ember-cli-babel "^7.26.3"
+    ember-cli-htmlbars "^5.7.1"
+
 "ember-truth-helpers@^2.1.0 || ^3.0.0", ember-truth-helpers@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ember-truth-helpers/-/ember-truth-helpers-3.0.0.tgz#86766bdca4ac9b86bce3d262dff2aabc4a0ea384"
@@ -16641,6 +16665,15 @@ tr46@~0.0.3:
   resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
   integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
 
+tracked-built-ins@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/tracked-built-ins/-/tracked-built-ins-3.1.0.tgz#827703e8e8857e45ac449dfc41e8706e0d6da309"
+  integrity sha512-yPEZV1aYaw7xFWdoEluvdwNxIJIA834HaBQaMATjNAYPwd1fRqIJ46YnuRo6+9mRRWu6nM6sJqrVVa5H6UhFuw==
+  dependencies:
+    ember-cli-babel "^7.26.10"
+    ember-cli-typescript "^5.1.0"
+    ember-tracked-storage-polyfill "^1.0.0"
+
 tracked-maps-and-sets@^2.1.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/tracked-maps-and-sets/-/tracked-maps-and-sets-2.2.1.tgz#323dd40540c561e8b0ffdec8bf129c68ec5025f9"
@@ -17177,7 +17210,7 @@ validate-peer-dependencies@^1.2.0:
     resolve-package-path "^3.1.0"
     semver "^7.3.2"
 
-validated-changeset@0.10.0, validated-changeset@~0.10.0:
+validated-changeset@~0.10.0:
   version "0.10.0"
   resolved "https://registry.yarnpkg.com/validated-changeset/-/validated-changeset-0.10.0.tgz#2e8188c089ab282c1b51fba3c289073f6bd14c8b"
   integrity sha512-n8NB3ol6Tbi0O7bnq1wz81m5Wd1gfHw0HUcH4MatOfqO3DyXzWZV+bUaNq6wThXn20rMFB82C8pTNFSWbgXJLA==
@@ -17675,11 +17708,6 @@ xmlchars@^2.2.0:
   resolved "https://registry.yarnpkg.com/xmlchars/-/xmlchars-2.2.0.tgz#060fe1bcb7f9c76fe2a17db86a9bc3ab894210cb"
   integrity sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==
 
-xmlhttprequest-ssl@^1.6.3:
-  version "1.6.3"
-  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz#03b713873b01659dfa2c1c5d056065b27ddc2de6"
-  integrity sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q==
-
 xtend@^4.0.0, xtend@^4.0.1, xtend@^4.0.2, xtend@~4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"