Network has a big spread over the world and it creates problems that need trouble shooting. It means fixing a problem as a large network is spreaded over the world. The network should be checked by the administrator as it can cause traffic in the world. The new world is network based and it has a know how of user need, when more user use Internet then traffic increases and crime increases. The virtual system is created by network and unlimited access is available. All the access to the system is not authentic and user friendly so it should be checked. User needs data at one access and a sudentist use can create problem that needs trouble shooting. It is of two types software and hardware. All errors are either software based or hardware Based so they should be catered proper way. Recovery of system is necessary step by step as it requires step by step instructions. All the mail servers should be checked so that mails are received in proper order. The eradication of all errors are done in a technical way so real things come in the way as we have to understand main reason of trouble shooting