Can't connect to an external IP from just one computer on our network

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SoCalChris

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Joined
Feb 7, 2013
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I've got a Windows network that I'm maintaining, and am having an interesting problem with it.

From our Exchange server, I am completely unable to communicate with one of our partner's mail server. I cannot ping it by either the host name or IP address. Trace route times out at the final hop. The firewall is disabled, and antivirus (ESET) is temporarily disabled. I cannot access the IP through the web browser either, everything times out.

However, every other computer on our network can connect fine. I haven't seen any other problems with any other IP addresses, it seems to be only this one that I can't connect to, and only from our Exchange server. All computers are going through the same gateway, using the same internet connection, and using the same DNS servers.

The computer that I'm having the problem on is a static IP. All settings look correct, and match another server that I can access the IP from.

I've checked the hosts file for anything, and it is in it's default state.

Any suggestions would be greatly appreciated, I'm losing my last little bit of hair that I have over this.

Thanks in advance,
Chris
 

SoCalChris

Thread Starter
Joined
Feb 7, 2013
Messages
2
I reset the Exchange server's TCP IP stack this morning. After rebooting, it worked. It had switched from a static IP to DHCP though, which won't work for us. Upon changing the IP back to its old static address, the same problem came up.

Any suggestions?

Thanks
 
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