diff --git a/agent/ecscni/plugin_windows_test.go b/agent/ecscni/plugin_windows_test.go
index 09826b46299..d719864a812 100644
--- a/agent/ecscni/plugin_windows_test.go
+++ b/agent/ecscni/plugin_windows_test.go
@@ -103,6 +103,9 @@ func TestSetupNSTimeout(t *testing.T) {
 	ctrl := gomock.NewController(t)
 	defer ctrl.Finish()
 
+	// Override the maximum retry timeout for the tests
+	setupNSBackoffMax = setupNSBackoffMin
+
 	ecscniClient := NewClient("")
 	libcniClient := mock_libcni.NewMockCNI(ctrl)
 	ecscniClient.(*cniClient).libcni = libcniClient
@@ -111,7 +114,7 @@ func TestSetupNSTimeout(t *testing.T) {
 		// vpc-eni plugin will be called.
 		libcniClient.EXPECT().AddNetwork(gomock.Any(), gomock.Any(), gomock.Any()).Return(&current.Result{}, errors.New("timeout")).Do(
 			func(ctx context.Context, net *libcni.NetworkConfig, rt *libcni.RuntimeConf) {
-			}).MaxTimes(3),
+			}).MaxTimes(setupNSMaxRetryCount),
 	)
 
 	config := getNetworkConfig()
diff --git a/agent/ecscni/types_windows.go b/agent/ecscni/types_windows.go
index 029fc30d69b..46b0bbdb003 100644
--- a/agent/ecscni/types_windows.go
+++ b/agent/ecscni/types_windows.go
@@ -28,12 +28,16 @@ const (
 	ECSVPCENIPluginExecutable = "vpc-eni.exe"
 	// ECSBridgeNetworkName is the name of the HNS network used as ecs-bridge.
 	ECSBridgeNetworkName = "nat"
-	// Constants for creating backoff while retrying setupNS.
+)
+
+var (
+	// Values for creating backoff while retrying setupNS.
+	// These have not been made constant so that we can inject different values for unit tests.
 	setupNSBackoffMin      = time.Second * 4
 	setupNSBackoffMax      = time.Minute
 	setupNSBackoffJitter   = 0.2
-	setupNSBackoffMultiple = 1.3
-	setupNSMaxRetryCount   = 3
+	setupNSBackoffMultiple = 2.0
+	setupNSMaxRetryCount   = 5
 )
 
 // VPCENIPluginConfig contains all the information required to invoke the vpc-eni plugin.