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DHCP or DNS setup , need help .

By carlos0463 ·
Hi, after reading and looking for so long, I finally decided to come to THE REPUBLIC for help. I recently installed win2k server on my pc and I am having problems with dhcp , but since dhcp works together with DNS and AD, I really do not know where to start.
1. The clients are on the domain win2k.server.net
2. Computer name is dell11.win2k.server.net
3. I can always ping both computers from and to each other. I can even run computernames.
4. The problem is when the client wants to connect to the internet. I cant get it to get the gateway info.
5. I ran ipconfig /all on the client and it returns everything right, except no gateway field. Hence, i cant get online. NOw, I know DHCP does not give out gateway info, so I am thinking the problem does not lie there. BUt, I am really in a bind and I would love to know how to get this up and running. Any help would be greatly appreciated, I am constantly checking my email and here , so I will respond. thank you very much, Sincerely, Carlos Maduro

Here is the event viewer error.
"The DHCP/BINL service has determined that it is not authorized to service clients on this network for the Windows domain: win2k.server.net. "

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by CG IT In reply to DHCP or DNS setup , need ...

DHCP does indeed provide clients with gateway information under scope options/003 router. here is where you define the IP address of the gateway router.

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by CG IT In reply to

To clarify, when you open up the DHCP server MMC in DHCP options you add the option 003 router and specify the default gateway router IP address. When clients send a DHCP reques to the server, DHCP replies with the IP address from the pool and options for DNS and router [along with WINS and NetBIOS if you run em].

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by carlos0463 In reply to DHCP or DNS setup , need ...

Well, that is working, but you still did not answer my question. This didn't fix the problem. I should have probably stated my question better and I apologize for this.
I want to know what is the correct way to get clients to connect to the internet as well as the lan ?
I enabled ICS as you would in win2kpro, but I see Routing and Remote access services as well. I am not looking for a class on this, I am just looking for a tutorial , link, any help would be great. Ps. The answer did teach me another thing though, :) THe book was wrong :) Thanks for the help! But, i still need to know how to get my clients to connect to the internet correctly and consistently. Sincerely, Carlos!

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by CG IT In reply to DHCP or DNS setup , need ...

ok you want consistant dependable internet access for clients. Use a proxy server in between your moden out to the internet and your LAN. [try Microsoft's ISA server. I think you can get a free 120 days trial CD]. Here's a link to the ISA server home page. http://www.microsoft.com/isaserver/
Note: ISA server replaces Microsofts' Proxy Server 5.0
ICS in W2K server isn't the way to go in my opinion. It's flaky. Routing and Remote Access isn't for client internet browsing, rather for remote client access to the network using Dial up or VPN.

Another note: If you get ISA server to try out put it on a seperate box and use 2 NICs. One for connecting to your internet modem, one for connecting to your LAN. All traffic then goes through ISA server and there is a firewall client program you install on clients which provides the proxy server gateway info that browsers will be set to. Think of ISA server as a very configurable firewall/packet filter proxy server. I suggest you get one of Microsoft's Self Study exam books on ISA server to learn how to configure it. One area that I see most having trouble with is that ISA server goes by AD groups. You can assign certain groups [or create one called Internet Access and add users to that group. Then specify in ISA server that only that group is allowed internet access.

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by carlos0463 In reply to DHCP or DNS setup , need ...

That is good information to know and I will probably install that when I get the cash and definitely read up on it , since I am planning to take my MCSE by the end of the year. I see AD being a very important part of almost all the tests. On the other hand, ICS probably the only other way to do it until then, but I appreciate the help and advice on my future endeavors. It is great to have such great help at our hands. Thank you for your help and advice, Sincerely, Carlos
Long live help forums!!

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by Pocono In reply to DHCP or DNS setup , need ...

Also make sure your DHCP is authorized.(From Admin tools go to DHCP-right click on your server and choose Authorize) YOur gateway information as well as the scope of your ip addresses can be configured from here as well

Good luck!

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by gpartridge In reply to DHCP or DNS setup , need ...

If you've enabled internet connection sharing then the IP address of your server should be 192.168.0.1
255.255.255.0

The gateway should be the address of the server.

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