diff --git a/frontend-modern/src/components/Infrastructure/ClusterDeployBanner.tsx b/frontend-modern/src/components/Infrastructure/ClusterDeployBanner.tsx
index ccf3558a0..cf6b4121d 100644
--- a/frontend-modern/src/components/Infrastructure/ClusterDeployBanner.tsx
+++ b/frontend-modern/src/components/Infrastructure/ClusterDeployBanner.tsx
@@ -17,7 +17,11 @@ export const ClusterDeployBanner: Component<ClusterDeployBannerProps> = (props)
   // 1. Non-empty cluster name (not Standalone)
   // 2. At least one resource has platformType === 'proxmox-pve'
   // 3. At least one resource has agent?.agentId (source agent exists)
-  // 4. At least one PVE node does NOT have an agent (unmonitored)
+  // 4. At least one *reachable* PVE node does NOT have an agent
+  //
+  // Offline nodes are excluded: we can't deploy a Pulse Unified Agent to
+  // a node we can't reach, and a node going temporarily offline is not
+  // the same situation as a never-onboarded cluster peer.
   const deployInfo = createMemo(() => {
     const resources = props.group.resources;
     const cluster = props.group.cluster;
@@ -33,7 +37,9 @@ export const ClusterDeployBanner: Component<ClusterDeployBannerProps> = (props)
     const hasSourceAgent = pveNodes.some((r) => r.agent?.agentId);
     if (!hasSourceAgent) return null;
 
-    const unmonitoredCount = pveNodes.filter((r) => !r.agent?.agentId).length;
+    const unmonitoredCount = pveNodes.filter(
+      (r) => !r.agent?.agentId && r.status !== 'offline',
+    ).length;
     if (unmonitoredCount === 0) return null;
 
     return { cluster, unmonitoredCount };
diff --git a/frontend-modern/src/components/Infrastructure/__tests__/ClusterDeployBanner.test.tsx b/frontend-modern/src/components/Infrastructure/__tests__/ClusterDeployBanner.test.tsx
index b7f28a6a7..2128e1593 100644
--- a/frontend-modern/src/components/Infrastructure/__tests__/ClusterDeployBanner.test.tsx
+++ b/frontend-modern/src/components/Infrastructure/__tests__/ClusterDeployBanner.test.tsx
@@ -17,8 +17,12 @@ import type { Resource } from '@/types/resource';
 
 /* ── helpers ──────────────────────────────────────────────────── */
 
-/** Minimal PVE node resource with optional agent */
-function makePveNode(id: string, agentId?: string): Resource {
+/** Minimal PVE node resource with optional agent and overridable status */
+function makePveNode(
+  id: string,
+  agentId?: string,
+  status: Resource['status'] = 'online',
+): Resource {
   return {
     id,
     type: 'agent',
@@ -27,7 +31,7 @@ function makePveNode(id: string, agentId?: string): Resource {
     platformId: 'pve1',
     platformType: 'proxmox-pve',
     sourceType: 'api',
-    status: 'online',
+    status,
     agent: agentId ? { agentId } : undefined,
   } as Resource;
 }
@@ -116,6 +120,26 @@ describe('ClusterDeployBanner', () => {
       expect(screen.getByText('1 node unmonitored')).toBeInTheDocument();
       expect(screen.getByText('Review & Deploy')).toBeInTheDocument();
     });
+
+    it('does not count offline no-agent nodes (cannot deploy to an unreachable host)', () => {
+      const group = makeGroup('my-cluster', [
+        makePveNode('node1', 'agent-1'), // source agent
+        makePveNode('offline-node', undefined, 'offline'), // offline, no agent
+      ]);
+      render(() => <ClusterDeployBanner group={group} onDeploy={vi.fn()} />);
+      expect(screen.queryByText(/unmonitored/)).not.toBeInTheDocument();
+      expect(screen.queryByText('Review & Deploy')).not.toBeInTheDocument();
+    });
+
+    it('still counts online no-agent nodes when other no-agent nodes are offline', () => {
+      const group = makeGroup('my-cluster', [
+        makePveNode('node1', 'agent-1'),
+        makePveNode('online-no-agent'),
+        makePveNode('offline-no-agent', undefined, 'offline'),
+      ]);
+      render(() => <ClusterDeployBanner group={group} onDeploy={vi.fn()} />);
+      expect(screen.getByText('1 node unmonitored')).toBeInTheDocument();
+    });
   });
 
   describe('unmonitored count display', () => {