Windows host MIA on network

Posted by andrewbadera on Super User See other posts from Super User or by andrewbadera
Published on 2010-04-13T19:56:47Z Indexed on 2010/04/13 20:03 UTC
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I've had a machine effectively disappear off my home office network.

192.168.1.100 - Windows 7 laptop (on domain) - problem machine 192.168.1.42 - Windows 2008 server (domain controller) 192.168.1.101 - Windows 7 laptop (guest; not on domain)

For some reason I am unable to ping, tracert or remote desktop to 192.168.1.100 from .42 or .101. I can remote between .42 and .101 no problem however. .100 cannot ping nor remote desktop to .42 or .101.

Remote Desktop access is enabled on .100. I've opened the firewall rules. I've disabled the firewall domain profile. I've turned the firewall service off entirely. No matter what I do, the .100 host is unreachable by any other host on the network.

I'm at my wit's end. Thanks in advance for any debug advice!

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