diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Deployments.razor b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Deployments.razor
index 69fd15ba..01df5ffd 100644
--- a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Deployments.razor
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Deployments.razor
@@ -57,7 +57,8 @@
             <tr>
                 <td><code>@Short(d.DeploymentId)</code></td>
                 <td><code>@DisplayText.Abbreviate(d.RevisionHash, 12)</code></td>
-                <td>@d.Status</td>
+                @* #601: Sealed + a reason = sealed with a degraded address-space apply on some node(s). *@
+                <td title="@(d.FailureReason ?? "")">@(d.Status == DeploymentStatus.Sealed && !string.IsNullOrEmpty(d.FailureReason) ? "Sealed (degraded)" : d.Status.ToString())</td>
                 <td>@d.CreatedBy</td>
                 <td>@d.CreatedAtUtc.ToString("u")</td>
                 <td>@(d.SealedAtUtc?.ToString("u") ?? "—")</td>
@@ -77,7 +78,8 @@
         DeploymentStatus Status,
         string CreatedBy,
         DateTime CreatedAtUtc,
-        DateTime? SealedAtUtc);
+        DateTime? SealedAtUtc,
+        string? FailureReason);
 
     private IReadOnlyList<DeploymentRow> _deployments = Array.Empty<DeploymentRow>();
     private bool _busy;
@@ -102,7 +104,8 @@
                 d.Status,
                 d.CreatedBy,
                 d.CreatedAtUtc,
-                d.SealedAtUtc))
+                d.SealedAtUtc,
+                d.FailureReason))
             .Take(50)
             .ToListAsync();
 
diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Fleet.razor b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Fleet.razor
index 6e91c695..76cd5db1 100644
--- a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Fleet.razor
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/Components/Pages/Fleet.razor
@@ -88,7 +88,7 @@ else
                                     <span class="chip chip-idle me-1">@role</span>
                                 }
                             </td>
-                            <td><span class="chip @StatusChipClass(r.Status)">@StatusLabel(r.Status)</span></td>
+                            <td><span class="chip @StatusChipClass(r.Status, r.FailureReason)">@StatusLabel(r.Status, r.FailureReason)</span></td>
                             <td>@(r.AppliedAtUtc?.ToString("u") ?? "—")</td>
                             <td>@(r.StartedAtUtc?.ToString("u") ?? "—")</td>
                             <td title="@(r.FailureReason ?? "")">@(string.IsNullOrEmpty(r.FailureReason) ? "" : DisplayText.Abbreviate(r.FailureReason, 80))</td>
@@ -184,15 +184,22 @@ else
         }
     }
 
-    private static string StatusChipClass(NodeDeploymentStatus? status) => status switch
-    {
-        NodeDeploymentStatus.Applied => "chip-ok",
-        NodeDeploymentStatus.Applying => "chip-caution",
-        NodeDeploymentStatus.Failed => "chip-alert",
-        _ => "chip-idle",
-    };
+    // #601 — an Applied row carrying a reason is a DEGRADED apply (the node runs the revision but its address
+    // space may be partial); it must not render as the same green chip as a clean apply.
+    private static bool IsDegraded(NodeDeploymentStatus? status, string? failureReason) =>
+        status is { } s && ZB.MOM.WW.OtOpcUa.ControlPlane.Coordinators.ConfigPublishCoordinator.IsDegraded(s, failureReason);
 
-    private static string StatusLabel(NodeDeploymentStatus? status) => status?.ToString() ?? "waiting";
+    private static string StatusChipClass(NodeDeploymentStatus? status, string? failureReason) =>
+        IsDegraded(status, failureReason) ? "chip-caution" : status switch
+        {
+            NodeDeploymentStatus.Applied => "chip-ok",
+            NodeDeploymentStatus.Applying => "chip-caution",
+            NodeDeploymentStatus.Failed => "chip-alert",
+            _ => "chip-idle",
+        };
+
+    private static string StatusLabel(NodeDeploymentStatus? status, string? failureReason) =>
+        IsDegraded(status, failureReason) ? "Applied (degraded)" : status?.ToString() ?? "waiting";
 
     public async ValueTask DisposeAsync()
     {