Why is "Service Host: Local System" consuming too much network bandwidth? Well, Service Host: Local System is bundle of System Processes which operates automatically through system. It includes processes including Windows Auto Update & many others which takes up huge disk, memory, RAM & even Network i.e., Internet Data. You may have noticed that almost all your available network is taken by this Processes. This problem is frequent in Windows 8 & 10. To avoid, there are few solutions available which are little longer which can help you solve this issue temporary or even permanently. Solutions will help you stop Service Host Local System from eating away all your available resources such as RAM, Memory & Network which will enhance your System Performance to great extent. Hope these provided solutions works for you. Service Host Local System Service Host: Local System Using Up All Your Resources? – Here ...