diff --git a/service-t/src/com/android/metrics/NetworkNsdReportedMetrics.java b/service-t/src/com/android/metrics/NetworkNsdReportedMetrics.java
index 385adc6..a92dfaf 100644
--- a/service-t/src/com/android/metrics/NetworkNsdReportedMetrics.java
+++ b/service-t/src/com/android/metrics/NetworkNsdReportedMetrics.java
@@ -193,7 +193,8 @@
      * @param sentQueryCount The count of sent queries before stop discovery.
      */
     public void reportServiceDiscoveryStop(boolean isLegacy, int transactionId, long durationMs,
-            int foundCallbackCount, int lostCallbackCount, int servicesCount, int sentQueryCount) {
+            int foundCallbackCount, int lostCallbackCount, int servicesCount, int sentQueryCount,
+            boolean isServiceFromCache) {
         final Builder builder = makeReportedBuilder(isLegacy, transactionId);
         builder.setType(NsdEventType.NET_DISCOVER);
         builder.setQueryResult(MdnsQueryResult.MQR_SERVICE_DISCOVERY_STOP);
@@ -202,6 +203,7 @@
         builder.setLostCallbackCount(lostCallbackCount);
         builder.setFoundServiceCount(servicesCount);
         builder.setSentQueryCount(sentQueryCount);
+        builder.setIsKnownService(isServiceFromCache);
         mDependencies.statsWrite(builder.build());
     }
 
diff --git a/service-t/src/com/android/server/NsdService.java b/service-t/src/com/android/server/NsdService.java
index 0a8adf0..f8b0d53 100644
--- a/service-t/src/com/android/server/NsdService.java
+++ b/service-t/src/com/android/server/NsdService.java
@@ -1634,6 +1634,12 @@
                         NsdManager.nameOf(code), transactionId));
                 switch (code) {
                     case NsdManager.SERVICE_FOUND:
+                        // Set the ServiceFromCache flag only if the service is actually being
+                        // retrieved from the cache. This flag should not be overridden by later
+                        // service found event, which may not be cached.
+                        if (event.mIsServiceFromCache) {
+                            request.setServiceFromCache(true);
+                        }
                         clientInfo.onServiceFound(clientRequestId, info, request);
                         break;
                     case NsdManager.SERVICE_LOST:
@@ -2887,7 +2893,8 @@
                                 request.getFoundServiceCount(),
                                 request.getLostServiceCount(),
                                 request.getServicesCount(),
-                                request.getSentQueryCount());
+                                request.getSentQueryCount(),
+                                request.isServiceFromCache());
                     } else if (listener instanceof ResolutionListener) {
                         mMetrics.reportServiceResolutionStop(false /* isLegacy */, transactionId,
                                 request.calculateRequestDurationMs(mClock.elapsedRealtime()),
@@ -2927,7 +2934,8 @@
                                 request.getFoundServiceCount(),
                                 request.getLostServiceCount(),
                                 request.getServicesCount(),
-                                NO_SENT_QUERY_COUNT);
+                                NO_SENT_QUERY_COUNT,
+                                request.isServiceFromCache());
                         break;
                     case NsdManager.RESOLVE_SERVICE:
                         stopResolveService(transactionId);
@@ -3050,7 +3058,8 @@
                     request.getFoundServiceCount(),
                     request.getLostServiceCount(),
                     request.getServicesCount(),
-                    request.getSentQueryCount());
+                    request.getSentQueryCount(),
+                    request.isServiceFromCache());
             try {
                 mCb.onStopDiscoverySucceeded(listenerKey);
             } catch (RemoteException e) {
diff --git a/tests/unit/java/com/android/metrics/NetworkNsdReportedMetricsTest.kt b/tests/unit/java/com/android/metrics/NetworkNsdReportedMetricsTest.kt
index aa28e5a..10ba6a4 100644
--- a/tests/unit/java/com/android/metrics/NetworkNsdReportedMetricsTest.kt
+++ b/tests/unit/java/com/android/metrics/NetworkNsdReportedMetricsTest.kt
@@ -163,7 +163,8 @@
         val sentQueryCount = 150
         val metrics = NetworkNsdReportedMetrics(clientId, deps)
         metrics.reportServiceDiscoveryStop(true /* isLegacy */, transactionId, durationMs,
-                foundCallbackCount, lostCallbackCount, servicesCount, sentQueryCount)
+                foundCallbackCount, lostCallbackCount, servicesCount, sentQueryCount,
+                true /* isServiceFromCache */)
 
         val eventCaptor = ArgumentCaptor.forClass(NetworkNsdReported::class.java)
         verify(deps).statsWrite(eventCaptor.capture())
@@ -179,6 +180,7 @@
             assertEquals(servicesCount, it.foundServiceCount)
             assertEquals(durationMs, it.eventDurationMillisec)
             assertEquals(sentQueryCount, it.sentQueryCount)
+            assertTrue(it.isKnownService)
         }
     }
 
diff --git a/tests/unit/java/com/android/server/NsdServiceTest.java b/tests/unit/java/com/android/server/NsdServiceTest.java
index aece3f7..979e0a1 100644
--- a/tests/unit/java/com/android/server/NsdServiceTest.java
+++ b/tests/unit/java/com/android/server/NsdServiceTest.java
@@ -1196,7 +1196,7 @@
                 Instant.MAX /* expirationTime */);
 
         // Verify onServiceNameDiscovered callback
-        listener.onServiceNameDiscovered(foundInfo, false /* isServiceFromCache */);
+        listener.onServiceNameDiscovered(foundInfo, true /* isServiceFromCache */);
         verify(discListener, timeout(TIMEOUT_MS)).onServiceFound(argThat(info ->
                 info.getServiceName().equals(SERVICE_NAME)
                         // Service type in discovery callbacks has a dot at the end
@@ -1232,7 +1232,7 @@
         verify(mSocketProvider, timeout(CLEANUP_DELAY_MS + TIMEOUT_MS)).requestStopWhenInactive();
         verify(mMetrics).reportServiceDiscoveryStop(false /* isLegacy */, discId,
                 10L /* durationMs */, 1 /* foundCallbackCount */, 1 /* lostCallbackCount */,
-                1 /* servicesCount */, 3 /* sentQueryCount */);
+                1 /* servicesCount */, 3 /* sentQueryCount */, true /* isServiceFromCache */);
     }
 
     @Test