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Networking Problem in Windows Server 2008R2 Virtual Machines?

Posted on 2011-09-30
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Last Modified: 2012-05-12
I've got a VMWare ESXi server with 4 Virtual Machines on it. I've got a flat 192.168.1.1-254 network with a 192.168.1.1 gateway. When I go into my virtual machines and navigate to Control Panel/Network and Sharing Center/Change Adapter Settings and go into my Local Area Connection IPv4 settings and make any change I check the "Validate Settings upon exit" button. As I close the Local Area Connection box it runs and I get a dialog box stating it is detecting problems, then I get a troubleshooting box saying "Troubleshooting couldn't identify the problem". When I click on the link at the bottom saying "View detailed information" it says "No issues Detected" under the "Windows Network Diagnostic" at the top. Is this what it's supposed to say in Win Server 2008R2? Do I actually have a networking problem? This is my first experience with Windows Server 2008R2.

It's a very simple network. I'm installing a new DC (one of the Virtual Machines) with an IP address of 192.168.1.3 and it's running AD, DNS, WINS, and DHCP. I can ping, from all the VMs, everything that I can think of using IP address and computer name/domain name (local and outside the network), and the internet comes up in a web browser just fine on all the Virtual Machines.

All 4 of the Virtual Machines experience the same box with the same message.
 
These 4 servers are running Windows Server 2008R2, and I've never used it before, we've had Windows Server 2003R2 for years AND it's my first experience with VMWare.
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Question by:jim34
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Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
ID: 36891529
Personally, I would not bother with the Validate Settings upon exit!

1. Can you ping your DNS servers?
2. Can you ping your DHCP server?
3. Can you ping your default gateway?
4. Can your server resolve domain names?
5. Can you ping your Domain Controllers?
6. Can you rsolve the Domain controllers by name?

if the answer is yes to all of the above, your networking is okay.
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LVL 117

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by:Andrew Hancock (VMware vExpert / EE MVE)
Andrew Hancock (VMware vExpert / EE MVE) earned 500 total points
ID: 36891535
"No issues Detected" under the "Windows Network Diagnostic" at the top. Is this what it's supposed to say in Win Server 2008R2?

Yes, that's what it is supposed to say.
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Author Closing Comment

by:jim34
ID: 36891579
Yes, I can do all these things listed by hanccocka from each of the Virtual Machines, so...I guess I'll just never use the validate settings checkbox again.
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