Windows issue

components/mobile-plugins/windows-plugin/org.wso2.carbon.device.mgt.mobile.windows.api/src/main/java/org/wso2/carbon/device/mgt/mobile/windows/api/services/syncml/impl/SyncmlServiceImpl.java

@@ -322,7 +322,7 @@ public class SyncmlServiceImpl implements SyncmlService {
 
                     Device.Property resolutionProperty = new Device.Property();
                     resolutionProperty.setName(PluginConstants.SyncML.DEVICE_INFO);
-                    resolutionProperty.setValue(resolution);
+                    resolutionProperty.setValue("null");
                     existingProperties.add(resolutionProperty);
 
                     Device.Property deviceNameProperty = new Device.Property();