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2 Small Business Servers  to run on one internet connection

Posted on 2010-08-23
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Last Modified: 2012-05-10
I am attempting to run a dummy domain for testing purposes only.  I have read here on EE that it is possible to run 2 versions of  Windows Small Business Server 2003 (Premium Edition) as long as one of the servers is behind a router.  This is what I've got:

My CISCO ASA 5505 firewall has one port that is for a conference room and it separates the network from the conference room so that if a client needs internet access, they can get online but keeps them from tapping into our network.  From the wall outlet that the client can plug into I've inserted a small switch (Netgear safe router).  That connection is then run to my office where I have a D-Link switch.  This is where the dummy domain will go.  I've tested the client computers for online connectivity and they work fine.

IPCONFIG on one of the clients gives me:

Connection-Specific DNS Suffix:  MyDomainName.local
IP Address                                     10.0.0.4
Subnet Mask                                  255.255.255.0
Default Gateway                           10.0.0.1

My questions are:

Since I am not using either server as a mail server (I'm using a POP3 through a third party) when I begin the "Configure E-mail and Internet Connection Wizard"  I am unsure of the settings that I need to get internet connectivity.  It is asking me for a Preferred DNS Server and Local IP address of router.  I do not know what to put in those dialog boxes.

Also, will this server configuration be able to be swapped out for the Original server (I have used the identical domain name) in the event of a catastrophic failure? This is pending I set up all permissions accurately.
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Question by:lordzack
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by:Cris Hanna
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First...no you can't swap them out...while you gave them same domain name...each SBS server creates it's own domain and it must hold all the FSMO roles.   You could if required, disjoin all the workstations from the first SBS domain and join them to the second.
As far as both sharing an internet connection...it doesn't much matter what you enter in the boxes, since they're not providing email services.   And why you're not doing this I don't understand...but thats your choice
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by:lordzack
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So the way to get the clients to connect to the "New" server is the drop them from the domain (go back to a workgroup) and then join the new domain?
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by:Cris Hanna
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that would be correct
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by:lordzack
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And any configuration would work in the router connection?  No conflicts if I enter the same info from the original server?
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by:Cris Hanna
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well here are the gotchas
The two SBS servers can't "see" each other on the network...so if you have isolation from the main sbs server by way of a router...you should be ok...the main thing is if SBS see's the other SBS server or another DHCP server...it gets really cranky
 
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by:lordzack
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Is there a way to test that or see if there will be a conflict?
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by:Cris Hanna
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plug them up and turn them on...seriously.   what provides DHCP on the networks (LAN and the conference room)?
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by:lordzack
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I am unable to get the server online.  The clients are working fine.  Any thoughts?
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by:Cris Hanna
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Please post the IPconfig /all from the original SBS and from the second SBS and identifiy which is which
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by:lordzack
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I have 2 files:

ipOriginal
ipNew

Should be self explanatory
ipNew.txt
ipOriginal.txt
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by:Cris Hanna
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In IP new
disable the network adapter that has the .11 address
and change the DNS address and WINS server address for 192.168.16.2 to 10.0.0.10
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by:lordzack
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Did what you said.  I assumed you wanted me to enable the network adapter after I made the change.

I have 2 connections:

Server Local Area Connection (which is what I have the ethernet plugged into)
Network Connection  (which is unplugged)

Should I have these set up differently?
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by:Cris Hanna
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The one that is not plugged in.disable (Right Click > Disable)
Did you change the DNS on the Server Local Area connect
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by:lordzack
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Yes.  It is set up as you say.  When I try to open a web page, I get "The Page Cannot Be displayed".  DNS Error.
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by:Cris Hanna
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I don't recall which version of SBS you are running...if 2003 did you run the Connect to Email and Internet Connection Wizard (CEICW) on the SBS console...here you would specify the external DNS servers for internet connection   if 2008 run the connect to Internet wizard.
So the new SBS server Only has 1 nic active now?  and it is plugged into what?
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by:lordzack
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I have Windows 2003 Small Business Server Premium Edition.  Now when booting up I get a System Failure: Stop Error.  The Blue Screen Of Death tells me "Driver_IRQL_Not_Less_Or_Equal.

This machine was a Windows Server 2003 Standard Edition.  When loading the SBS I would receive a warning that the machine had more than 2 processors.  Is This the problem?
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by:Cris Hanna
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The original version of SBS did put out this warning but it's not a show stopper for a lab system...should let you continue
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by:lordzack
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For some reason the O.S. will not stay up.  I continue to be plagued with the blue screen of death mentioned before.  What if I load the Windows Server 2003 back on the box, purchase the needed CAL's and promote that server to a domain controller.  Would that work?
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by:Cris Hanna
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I'm not sure I understand what the end game goal is...what do you really want this second server to do, then I can advise you better
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by:lordzack
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Sorry, I have been unclear.  My main goal is to be able to recover quickly from a catastrophic failure of our server (we only have one - SBS 2003 Premium).  I want something that won't take weeks to rebuild.  My thoughts are to have a server that is functional and ready to load our data if (or when) ever needed.
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Cris Hanna earned 500 total points
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There is no way to have a standby server to take over for SBS, because of the unique requirement to have the SBS server hold all the FSMO roles and be the first server in the domain.   A second server would be a whole new domain and workstations would have to be disjoined from the old and rejoined to the new
The solution is to have a) quality server components b) have verifiable backups
SBS 2003 can be restored from back up or I recommend Storage Craft which can assist in restoring SBS to completely different hardware.
 
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by:lordzack
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Thank you for your help.
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