New Windows 2008 R2 DC can't be pinged or browsed

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I have a weird issue. Added a new Windows 2008 R2 domain controller and another Windows 2008 R2 file server both on same subnet. From a second subnet I can ping the file server but not the DC. From the DC I can surf the web so I know it has network connectivity. Attached is a rough diagram of the connections. From the servers gateway (Dell Powerconnect 6224) I can ping both servers and the machines on the other subnet. These machines are on another "LAN" on another floor. The floors are connected to each other from one Powerconnect 6224 to a second both acting as the gateway for their respective networks. I have the firewall off on the DC not sure what I am missing.

Thanks in advance!

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AkinsdNetwork Administrator

Commented:
Check if Network discovery is turned on...if not, turn it on
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Author

Commented:
Actually, keep turning it on but when I go back to look it is turned off. This happens on both the new DC and fileserver.
AkinsdNetwork Administrator

Commented:
That's interesting.

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Commented:
yes
Network Administrator
Commented:
Hmmm...

run firewall.cpl
Is your firewall managed by a 3rd party application?
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Commented:
ASA 5510
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Author

Commented:
It was my fault....you were right. I installed the endpoint version of AV instead of server version.
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Commented:
Thanks for your help I knew it was something stupid.
AkinsdNetwork Administrator

Commented:
You're welcome
Don't beat yourself up
We all learn from our mistakes. Good thing is we will always remember

All the best
Akinsd

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