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Correct settings for using 2 Network cards on SBS 2003 as virtual machine host

Posted on 2006-10-25
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Ok hi all hope you can help!

I have
SBS 2003 standard with 2 xs 1Gbit cards

Server is running all the goods
DC / DNS / DHCP / Exchange and SharePoint

it also is running VMware virtual server with 1 guest witch runs 2003 terminal server

I have external router setup as 192.168.16.1

the 2 nics

192.168.16.5
192.168.16.10

I have setup the DNS with to server dns requests thru those 2 address only.  
nslookup gives me the 192.168.16.10 address as DNS

So

what have i missed?
which one should run the VMware bridge?
witch one should have the gateway?
what should the dns address be for each unit?

so many questions so little time......!



 
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Question by:mrwilde
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Jeffrey Kane - TechSoEasy earned 500 total points
ID: 17812486
Your problem is that if you have two NICs, they need to be on separate Subnets.  Your server only has ONE IP address that is addressable from the LAN... and this is the NIC that's attached to your SWITCH.  The other NIC which is attached to your ROUTER needs to be something other than 192.168.16.x.

See http://sbsurl.com/twonics for an example.

Your virtual Terminal Server should stay in the 192.168.16.x subnet... but I wonder if you joined it to your network properly (even though it's virtual, it's still seen as a regular server by SBS).  Also, I wonder why you used VMware instead of Microsoft Virtual Server 2005, which is designed to work best with Windows Servers.

How to install Virtual Server 2005 on SBS 2003:  http://sbsurl.com/vs
How to deploy a Terminal Server with SBS 2003:  http://sbsurl.com/sbstss

Jeff
TechSoEasy
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by:mrwilde
ID: 17816605
OK well first, I prefer VMware although MS has made some improvements I may reconsider

Both Nics are attached to the switch, the router is located at the other end of the building. The network is Gigabit.

I have a single Virtual Machine running for terminal server to run a particular business application.  It is running virtually becuase this allows me to move it if need be, it is crucial to daily opperation. With this setup I have a complete copy of the vmware on another machien and backup. we also backup the data for the Application onto cd nightly. Now i can install the VM anywhere and have going again insode of 15mins.

The second NIC was for the VM, although in hind sight their probably isnt much need for a second NIC on Gbit network with only 7 clients.

Is this config a suitable idea?
if so how should it be configured?
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by:Jeffrey Kane - TechSoEasy
ID: 17824123
I totally agree with you about using Virtual Machines for mission critical applications with a low usage.  They perform well, and as you say, are super-simple to restore.  You'll find a number of posts by me in this Topic Area suggesting that the entire SBS Platform could be virtualized as a business continuity solution.

While I am not really familiar with VMWare, I do know that Virtual Server 2005 would automatically configure a virtual network adapter so there's really no need for a separate physical one (which would confuse your host server anyhow since it would need to be double-teamed in order to work properly in that config).  Overall though, I don't think your config is really the best thing to do... (although, I also don't no what application you are running on your TS)  However, you're probably right that with less than 10 users, you probably wouldn't need more than the one NIC.  

Since you do have two though, for security sake, I would configure them according to the recommended example I already provided you above.

Jeff
TechSoEasy
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