Sorry to be so long, but I want to be thorough... I am the administrator for a small business network that has 15 desktop computers and 4 laptop computers, all running Windows 7 Pro. Within this network are 3 computers being used as "servers" for various applications. When all computers are first powered up they all show on the network. After about an hour, some of the computers "disappear" from the network display but still function within the network. One of the computers being used as a server continues to "see" all the computers in the network, while the other computers (servers, workstations, laptops) can only see a portion of the computers on the network. Those computers that see a limited number of network computers all see the same ones. I have checked services, Network Discovery, power settings and all the possible setting discrepancies I can think of, but I can't find why this is happening. I have scrutinized the computer that "sees" everything but can find no settings that vary from the others. The computers that don't show up can be pinged and also found using the network path. All computers have network access as well as internet access, but I'm sure this issue is compromising workstation performance and productivity. I have a Time Warner firewall (SonicWall) going to a Cisco SG300-28PP network switch, then to a patch panel with cabling to the workstations (except for the wireless that use WAP). Any ideas about what this problem can be? I'm not a novice at this but apparently there's more to learn! Any help will be greatly appreciated.
2 Reset to defaultWindows 7 Pro Peer-To-Peer Networking
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