diff --git a/src/platform/packages/shared/kbn-doc-links/src/get_doc_links.ts b/src/platform/packages/shared/kbn-doc-links/src/get_doc_links.ts
index 3915484152798..7c19d0044708b 100644
--- a/src/platform/packages/shared/kbn-doc-links/src/get_doc_links.ts
+++ b/src/platform/packages/shared/kbn-doc-links/src/get_doc_links.ts
@@ -40,6 +40,7 @@ export const getDocLinks = ({ kibanaBranch, buildFlavor }: GetDocLinkOptions): D
 
   return deepFreeze({
     settings: `${ELASTIC_DOCS}reference/kibana/configuration-reference`,
+    aiAssistantSettings: `${ELASTIC_DOCS}reference/kibana/configuration-reference/ai-assistant-settings`,
     elasticStackGetStarted: isServerless
       ? `${ELASTIC_DOCS}deploy-manage/deploy/elastic-cloud/serverless`
       : `${ELASTIC_DOCS}get-started`,
diff --git a/src/platform/packages/shared/kbn-doc-links/src/types.ts b/src/platform/packages/shared/kbn-doc-links/src/types.ts
index fc78a41126e3f..3739e222bba06 100644
--- a/src/platform/packages/shared/kbn-doc-links/src/types.ts
+++ b/src/platform/packages/shared/kbn-doc-links/src/types.ts
@@ -25,6 +25,7 @@ export interface DocLinksMeta {
  */
 export interface DocLinks {
   readonly settings: string;
+  readonly aiAssistantSettings: string;
   readonly elasticStackGetStarted: string;
   readonly apiReference: string;
   readonly serverlessReleaseNotes: string;
diff --git a/x-pack/platform/plugins/private/gen_ai_settings/moon.yml b/x-pack/platform/plugins/private/gen_ai_settings/moon.yml
index 1eaf12482344c..0be2d983ded4a 100644
--- a/x-pack/platform/plugins/private/gen_ai_settings/moon.yml
+++ b/x-pack/platform/plugins/private/gen_ai_settings/moon.yml
@@ -47,6 +47,7 @@ dependsOn:
   - '@kbn/ai-assistant-common'
   - '@kbn/ai-agent-confirmation-modal'
   - '@kbn/product-doc-common'
+  - '@kbn/react-kibana-mount'
 tags:
   - plugin
   - prod
diff --git a/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.test.tsx b/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.test.tsx
index 4d8d787a7a5fd..df7054ec9f538 100644
--- a/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.test.tsx
+++ b/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.test.tsx
@@ -6,7 +6,7 @@
  */
 
 import React from 'react';
-import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+import { render, screen, fireEvent, waitFor, within } from '@testing-library/react';
 import { coreMock } from '@kbn/core/public/mocks';
 import { KibanaContextProvider } from '@kbn/kibana-react-plugin/public';
 import { QueryClient, QueryClientProvider } from '@kbn/react-query';
@@ -15,6 +15,11 @@ import type { ProductDocBasePluginStart } from '@kbn/product-doc-base-plugin/pub
 import { ResourceTypes } from '@kbn/product-doc-common';
 import { DocumentationSection } from './documentation_section';
 
+jest.mock('@kbn/react-kibana-mount', () => ({
+  // In unit tests we don’t need a real MountPoint; returning the node allows us to assert on its contents.
+  toMountPoint: (node: unknown) => node,
+}));
+
 describe('DocumentationSection', () => {
   const coreStart = coreMock.createStart();
 
@@ -84,6 +89,17 @@ describe('DocumentationSection', () => {
       });
     });
 
+    it('should render a "Learn more" link in the description', async () => {
+      renderComponent(mockProductDocBase);
+
+      await waitFor(() => {
+        expect(screen.getByRole('link', { name: /Learn more/ })).toHaveAttribute(
+          'href',
+          coreStart.docLinks.links.aiAssistantSettings
+        );
+      });
+    });
+
     it('should render all documentation items', async () => {
       renderComponent(mockProductDocBase);
 
@@ -233,6 +249,43 @@ describe('DocumentationSection', () => {
       });
     });
 
+    it('should show a helpful toast (air-gapped hint + docs link) when install fails', async () => {
+      mockProductDocBase.installation.getStatus = jest.fn().mockResolvedValue({
+        inferenceId: '.elser-2-elasticsearch',
+        overall: 'uninstalled',
+        perProducts: {},
+      });
+      mockProductDocBase.installation.install = jest.fn().mockRejectedValue(new Error('boom'));
+
+      renderComponent(mockProductDocBase, true);
+
+      await waitFor(() => {
+        expect(screen.getByTestId('documentation-install-elastic_documents')).toBeInTheDocument();
+      });
+
+      fireEvent.click(screen.getByTestId('documentation-install-elastic_documents'));
+
+      await waitFor(() => {
+        expect(coreStart.notifications.toasts.addDanger).toHaveBeenCalled();
+      });
+
+      const toastArg = (coreStart.notifications.toasts.addDanger as jest.Mock).mock.calls[0][0];
+      expect(toastArg.title).toBe('Failed to install documentation');
+
+      // toMountPoint is mocked to return a React node, so we can assert on its contents.
+      const { container } = render(<>{toastArg.text}</>);
+      const toast = within(container);
+      expect(
+        toast.getByText(
+          'If your environment has no internet access, you can host these artifacts yourself.'
+        )
+      ).toBeInTheDocument();
+      expect(toast.getByRole('link', { name: /Learn more/ })).toHaveAttribute(
+        'href',
+        coreStart.docLinks.links.aiAssistantSettings
+      );
+    });
+
     it('should call install for Security Labs when install action is clicked', async () => {
       mockProductDocBase.installation.getStatus = jest
         .fn()
diff --git a/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.tsx b/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.tsx
index 2dbc830d94eeb..641570c5a371d 100644
--- a/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.tsx
+++ b/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/documentation_section.tsx
@@ -14,6 +14,7 @@ import {
   EuiFlexGroup,
   EuiFlexItem,
   EuiIcon,
+  EuiLink,
   EuiSplitPanel,
   EuiSpacer,
   EuiText,
@@ -23,6 +24,7 @@ import {
 } from '@elastic/eui';
 import { defaultInferenceEndpoints } from '@kbn/inference-common';
 import { ResourceTypes } from '@kbn/product-doc-common';
+import { toMountPoint } from '@kbn/react-kibana-mount';
 import {
   useProductDocStatus,
   useInstallProductDoc,
@@ -40,7 +42,7 @@ interface DocumentationSectionProps {
 
 export const DocumentationSection: React.FC<DocumentationSectionProps> = ({ productDocBase }) => {
   const { services } = useKibana();
-  const { notifications, application } = services;
+  const { notifications, application, rendering, docLinks } = services;
 
   // Check if user has Agent Builder 'All' privileges (manageAgents capability)
   const hasManagePrivilege = application.capabilities.agentBuilder?.manageAgents === true;
@@ -72,8 +74,21 @@ export const DocumentationSection: React.FC<DocumentationSectionProps> = ({ prod
       notifications.toasts.addSuccess({ title: i18n.INSTALL_SUCCESS });
     },
     onError: (error) => {
-      notifications.toasts.addError(new Error(error.body?.message ?? error.message), {
+      const message = error.body?.message ?? error.message;
+      notifications.toasts.addDanger({
         title: i18n.INSTALL_ERROR,
+        text: toMountPoint(
+          <EuiText size="s">
+            <p>{message}</p>
+            <p>{i18n.AIR_GAPPED_HINT}</p>
+            <p>
+              <EuiLink href={docLinks.links.aiAssistantSettings} target="_blank" external>
+                {i18n.LEARN_MORE}
+              </EuiLink>
+            </p>
+          </EuiText>,
+          rendering
+        ),
       });
     },
   });
@@ -418,7 +433,10 @@ export const DocumentationSection: React.FC<DocumentationSectionProps> = ({ prod
       </EuiSplitPanel.Inner>
       <EuiSplitPanel.Inner>
         <EuiText size="s" color="subdued">
-          {i18n.DOCUMENTATION_DESCRIPTION}
+          {i18n.DOCUMENTATION_DESCRIPTION}{' '}
+          <EuiLink href={docLinks.links.aiAssistantSettings} target="_blank" external>
+            {i18n.LEARN_MORE}
+          </EuiLink>
         </EuiText>
         <EuiSpacer size="m" />
         <EuiText size="xs" color="subdued">
diff --git a/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/translations.ts b/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/translations.ts
index 8399411ec8fb3..a53c883e4c216 100644
--- a/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/translations.ts
+++ b/x-pack/platform/plugins/private/gen_ai_settings/public/components/documentation/translations.ts
@@ -16,6 +16,15 @@ export const DOCUMENTATION_DESCRIPTION = i18n.translate('genAiSettings.documenta
     'Help improve Agent Builder responses to your prompts by installing product documentation. All entries are global to the cluster.',
 });
 
+export const LEARN_MORE = i18n.translate('genAiSettings.documentation.learnMore', {
+  defaultMessage: 'Learn more',
+});
+
+export const AIR_GAPPED_HINT = i18n.translate('genAiSettings.documentation.airGappedHint', {
+  defaultMessage:
+    'If your environment has no internet access, you can host these artifacts yourself.',
+});
+
 export const ELASTIC_DOCS_NAME = i18n.translate('genAiSettings.documentation.elasticDocs.name', {
   defaultMessage: 'Elastic documentation',
 });
diff --git a/x-pack/platform/plugins/private/gen_ai_settings/tsconfig.json b/x-pack/platform/plugins/private/gen_ai_settings/tsconfig.json
index 0b8e43d3cd547..a504978e21e11 100644
--- a/x-pack/platform/plugins/private/gen_ai_settings/tsconfig.json
+++ b/x-pack/platform/plugins/private/gen_ai_settings/tsconfig.json
@@ -33,7 +33,8 @@
     "@kbn/product-doc-base-plugin",
     "@kbn/ai-assistant-common",
     "@kbn/ai-agent-confirmation-modal",
-    "@kbn/product-doc-common"
+    "@kbn/product-doc-common",
+    "@kbn/react-kibana-mount"
   ],
   "exclude": ["target/**/*"]
 }