This may do what you are looking for, but I have not used it. The evaluation version is free and not time limited. The only limitation with the evaluation version is that you are restricted to monitoring no more than 8 PCs on a network.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
How VR is being used to simulate space
New iPad, iPhone SE & Red iPhone 7 on sale now
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.