Solved

Why can I not get Internet connection sharing to work with Windows Server 2012 R2?

Posted on 2015-01-04
5
36 Views
Last Modified: 2016-09-22
I have a server on which I have installed Windows Server 2012 R2.

Two NICs. One connected to Internet and one connected to a switch with all my workstations.

Having had my old Small Business Server 2003 to go by, I set up my AD, DC, adapters, DNS, DHCP to match.

I successfully joined all workstations to the new domain and all can log on to server and access files, but no workstation has Internet connection.

I've tried everything I can think of to no avail.

Any suggestions appreciated.
0
Comment
Question by:Keith Pyle
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
  • 2
5 Comments
 
LVL 24

Expert Comment

by:VB ITS
ID: 40530712
Two NICs. One connected to Internet and one connected to a switch with all my workstations.
Is there a particular reason you set up your network this way? Do you intend to install some sort of proxy software on your server?

If not, just plug both server NICs to your switch along with your router.

You'll also need to configure DHCP to hand out the router's IP address as the default gateway if you haven't already done so.
0
 

Author Comment

by:Keith Pyle
ID: 40530767
The DNS server has both the server DNS ip and the router DNS ip address.

I used the two NICs because that was the way it was on the old server.

I tried your suggestion; however, I lost Internet connection on the server until I put the old local line from the switch out of the "local" NIC and into the "Internet" NIC.  Still no access on workstations and the workstations no longer could see the Server 2012.
0
 
LVL 24

Expert Comment

by:VB ITS
ID: 40531093
Can you please post the IP address settings of the following:

Your router
The "local" NIC
The "Internet" NIC
The workstations

Mainly after IP address, default gateway, DNS server settings.
0
 

Accepted Solution

by:
Keith Pyle earned 0 total points
ID: 40532221
It turns out Windows Server 2012 is not designed to do what I wanted it to do.

I had to set up another router to handle the Internet network traffic and let the server handle just the local network traffic.

I am told the modern server software from Microsoft expects there to be an external router in the configuration.

So you were right. I did need to connect the Internet directly to the switch, but on the other side of a router.

Thanks for trying to help.
0

Featured Post

Enroll in May's Course of the Month

May’s Course of the Month is now available! Experts Exchange’s Premium Members and Team Accounts have access to a complimentary course each month as part of their membership—an extra way to increase training and boost professional development.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

The 6120xp switches seem to have a bug when you create a fiber port channel when you have a UCS fabric interconnects talking to them.  If you follow the Cisco guide for the UCS, the FC Port channel will never come up and it will say that there are n…
If, like me, you have a lot of Dell servers in the estate you manage this article should save you a little time. When attempting to login to iDrac on any server I would be presented with two errors. The first reads "Do you want to run this applicati…
Are you ready to implement Active Directory best practices without reading 300+ pages? You're in luck. In this webinar hosted by Skyport Systems, you gain insight into Microsoft's latest comprehensive guide, with tips on the best and easiest way…

740 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question