diff --git a/x-pack/test/observability_ai_assistant_functional/common/ui/index.ts b/x-pack/test/observability_ai_assistant_functional/common/ui/index.ts
index d072cc3777a7d..647f7cbcc3051 100644
--- a/x-pack/test/observability_ai_assistant_functional/common/ui/index.ts
+++ b/x-pack/test/observability_ai_assistant_functional/common/ui/index.ts
@@ -67,6 +67,8 @@ const pages = {
       'management-settings-editField-observability:aiAssistantSearchConnectorIndexPattern',
     saveButton: 'observabilityAiAssistantManagementBottomBarActionsButton',
     aiAssistantCard: 'aiAssistantSelectionPageObservabilityCard',
+    resetToDefaultLink:
+      'management-settings-resetField-observability:aiAssistantSearchConnectorIndexPattern',
   },
 };
 
diff --git a/x-pack/test/observability_ai_assistant_functional/tests/feature_controls/settings_security.spec.ts b/x-pack/test/observability_ai_assistant_functional/tests/feature_controls/settings_security.spec.ts
index d466abfd552ea..1fd0d9d62fcf9 100644
--- a/x-pack/test/observability_ai_assistant_functional/tests/feature_controls/settings_security.spec.ts
+++ b/x-pack/test/observability_ai_assistant_functional/tests/feature_controls/settings_security.spec.ts
@@ -8,17 +8,18 @@
 import expect from '@kbn/expect';
 import { FtrProviderContext } from '../../ftr_provider_context';
 import { createAndLoginUserWithCustomRole, deleteAndLogoutUser } from './helpers';
+import { interceptRequest } from '../../common/intercept_request';
 
 export default function ({ getPageObjects, getService }: FtrProviderContext) {
-  const browser = getService('browser');
   const PageObjects = getPageObjects(['common', 'error', 'navigationalSearch', 'security']);
   const ui = getService('observabilityAIAssistantUI');
   const testSubjects = getService('testSubjects');
+  const retry = getService('retry');
+  const toasts = getService('toasts');
+  const driver = getService('__webdriver__');
 
-  // Failing: See https://github.com/elastic/kibana/issues/191707
-  describe.skip('ai assistant management privileges', () => {
-    // FLAKY: https://github.com/elastic/kibana/issues/191707
-    describe.skip('all privileges', () => {
+  describe('ai assistant management privileges', () => {
+    describe('all privileges', () => {
       before(async () => {
         await createAndLoginUserWithCustomRole(getPageObjects, getService, {
           // we need all these privileges to view and modify Obs AI Assistant settings view
@@ -60,22 +61,68 @@ export default function ({ getPageObjects, getService }: FtrProviderContext) {
         await testSubjects.existOrFail(ui.pages.settings.settingsPage);
       });
       it('allows updating of an advanced setting', async () => {
-        const testSearchConnectorIndexPattern = 'my-logs-index-pattern';
+        await PageObjects.common.navigateToUrl('obsAIAssistantManagement', '', {
+          ensureCurrentUrl: false,
+          shouldLoginIfPrompted: false,
+          shouldUseHashForSubUrl: false,
+        });
+        const testSearchConnectorIndexPattern = 'my-search-index-pattern';
         const searchConnectorIndexPatternInput = await testSubjects.find(
           ui.pages.settings.searchConnectorIndexPatternInput
         );
+        // make sure the input is empty (default value)
         await searchConnectorIndexPatternInput.clearValue();
         await searchConnectorIndexPatternInput.type(testSearchConnectorIndexPattern);
         const saveButton = await testSubjects.find(ui.pages.settings.saveButton);
         await saveButton.click();
-        await browser.refresh();
-        const searchConnectorIndexPatternInputValue =
-          await searchConnectorIndexPatternInput.getAttribute('value');
-        expect(searchConnectorIndexPatternInputValue).to.be(testSearchConnectorIndexPattern);
-        // reset the value
-        await searchConnectorIndexPatternInput.clearValue();
-        await searchConnectorIndexPatternInput.type('logs-*');
+        // wait for page to refrsh
+        await testSubjects.missingOrFail(ui.pages.settings.searchConnectorIndexPatternInput, {
+          timeout: 2000,
+        });
+        // wait for the new page to fully load
+        await testSubjects.existOrFail(ui.pages.settings.searchConnectorIndexPatternInput, {
+          timeout: 2000,
+        });
+        expect(await searchConnectorIndexPatternInput.getAttribute('value')).to.be(
+          testSearchConnectorIndexPattern
+        );
+        // reset the value back to default
+        const resetToDefaultLink = await testSubjects.find(ui.pages.settings.resetToDefaultLink);
+        await resetToDefaultLink.click();
+
+        expect(await searchConnectorIndexPatternInput.getAttribute('value')).to.be('');
         await saveButton.click();
+        await testSubjects.missingOrFail(ui.pages.settings.searchConnectorIndexPatternInput, {
+          timeout: 2000,
+        });
+        // wait for the new page to fully load
+        await testSubjects.existOrFail(ui.pages.settings.searchConnectorIndexPatternInput, {
+          timeout: 2000,
+        });
+        expect(await searchConnectorIndexPatternInput.getAttribute('value')).to.be('');
+      });
+      it('displays failure toast on failed request', async () => {
+        const searchConnectorIndexPatternInput = await testSubjects.find(
+          ui.pages.settings.searchConnectorIndexPatternInput
+        );
+        await searchConnectorIndexPatternInput.clearValue();
+        await searchConnectorIndexPatternInput.type('test');
+
+        await interceptRequest(
+          driver.driver,
+          '*kibana\\/settings*',
+          (responseFactory) => {
+            return responseFactory.fail();
+          },
+          async () => {
+            await testSubjects.click(ui.pages.settings.saveButton);
+          }
+        );
+
+        await retry.waitFor('Error saving settings toast', async () => {
+          const count = await toasts.getCount();
+          return count > 0;
+        });
       });
     });
     describe('with advancedSettings read privilege', () => {