diff --git a/cns/logger/constants.go b/cns/logger/constants.go
index ce4c0c80c0..10231f3fa7 100644
--- a/cns/logger/constants.go
+++ b/cns/logger/constants.go
@@ -11,6 +11,7 @@ const (
 	NodeIDStr                       = "NodeID"
 	HomeAZStr                       = "HomeAZ"
 	IsAZRSupportedStr               = "IsAZRSupported"
+	IsAZRDualStackFixPresentStr     = "IsAZRDualStackFixPresent"
 	HomeAZErrorCodeStr              = "HomeAZErrorCode"
 	HomeAZErrorMsgStr               = "HomeAZErrorMsg"
 	CNSConfigPropertyStr            = "CNSConfiguration"
diff --git a/cns/metric/heartbeat.go b/cns/metric/heartbeat.go
index de65e4e5ea..c4c916f1d0 100644
--- a/cns/metric/heartbeat.go
+++ b/cns/metric/heartbeat.go
@@ -38,6 +38,7 @@ func SendHeartBeat(ctx context.Context, heartbeatInterval time.Duration, homeAzM
 				case types.Success:
 					metric.CustomDimensions[logger.IsAZRSupportedStr] = strconv.FormatBool(getHomeAzResp.HomeAzResponse.IsSupported)
 					metric.CustomDimensions[logger.HomeAZStr] = strconv.FormatUint(uint64(getHomeAzResp.HomeAzResponse.HomeAz), 10)
+					metric.CustomDimensions[logger.IsAZRDualStackFixPresentStr] = strconv.FormatBool(getHomeAzResp.HomeAzResponse.NmaAppliedTheIPV6Fix)
 				default:
 					metric.CustomDimensions[logger.HomeAZErrorCodeStr] = getHomeAzResp.Response.ReturnCode.String()
 					metric.CustomDimensions[logger.HomeAZErrorMsgStr] = getHomeAzResp.Response.Message