Solved

WHere do i setup the IP address of our Internet Server?

Posted on 2004-09-10
9
188 Views
Last Modified: 2010-04-14
HELP!!

All of a sudden we lost partial connection to the internet - meaning some pc's connected and some didnt.  - I DONT know what happened there!!

Prior we had all our workstation PC's connect to the proxy server.  A 'consultant' came in and added the proxy server's ip somewhere on our PDC server.  We removed the prox settings pc workstations and had the DNS pointing to the PDC.

I'm trying to find the spot where it was added to confirm its still there right now.

THanks for your help and any insight as to why some would connect and some not.

THANKS!!

ST

0
Comment
Question by:ststst
[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
  • 4
  • 2
  • 2
9 Comments
 
LVL 15

Expert Comment

by:harleyjd
ID: 12032208
Check you DHCP settings. You need to make sure the "router" field is enabled for either the scope or for global, and this points to the proxy server. DNS shoudl still point to the Domain Controller, so make sure that is right as well...

 
0
 
LVL 16

Accepted Solution

by:
samccarthy earned 100 total points
ID: 12034721
There are a few things that could explain the partial connectivity problem.  Since this is a 2000 domain, here is what I would do to clean things up.  

Make sure all workstations are using DHCP and no static DNS or WINS entries have been added.  You should not have any host file or LMHost file entries unless you have some specific need.

Make sure your Domain Controllers are all Static IP Addresses with their DNS pointing to one of the DC's which will be running your DNS.  Also make sure the Wins is pointing to one of the DC's where you are running Wins. (If you use Wins).  Point the Default Gateway to the Proxy Server.

In your DHCP options, as harleyjd said, make sure the router option points to the proxy server.  Also, make sure the DNS option points to the DNS server (Domain Controller).  

Within your DNS settings for your domain, look and see if you have any forwarders set on the DNS server.  Your forwarder idealy should be blank with your DC going to the root servers for any resolution.  It is acceptable to have the forwarders pointing to your ISP's DNS servers or to a Proxy or Firewall if they are configured as DNS servers.  Symantec Gateway appliances are a good example of when a forwarder would point to a firewall.  

On the workstations, in Internet Explorer, go into the Internet Options, Connections, LAN Settings and make sure the Proxy Server box is checked with the correct IP and Port entered into the boxes.

On your proxy server, make sure the appropriate rules or permissions are in place to allow the access to the internet for your workstations that you want to have access.

Once you have these all cleaned up, I would go to the workstations and do a IPConfig /renew or and IPconfig /release then IPconfig /renew to get the new or corrected DHCP settings.

With the information given, I think this will clean things up for you.

Steve





0
 
LVL 15

Expert Comment

by:harleyjd
ID: 14227875
I don't see anything that isn't already in the PAQ, and he's abandoned it completely...

At a pinch, you could split, but I don't think so, it could have been a million things...

Delete/NR
0
Complete VMware vSphere® ESX(i) & Hyper-V Backup

Capture your entire system, including the host, with patented disk imaging integrated with VMware VADP / Microsoft VSS and RCT. RTOs is as low as 15 seconds with Acronis Active Restore™. You can enjoy unlimited P2V/V2V migrations from any source (even from a different hypervisor)

 
LVL 16

Expert Comment

by:samccarthy
ID: 14228019
I think a split is appropriate here
0
 

Author Comment

by:ststst
ID: 14232649
Sorry gang.

The DHCP & DNS were pointing correctly to the PDC/BDC.  I really dont know what happened but eventually everything reconnected.

Actually, I wanted to know where the actual IP to my Internet was stored.
I finally was able to find the IP settings on my DNS server properties and on the Forwarders tab.

That is where the IP address of my internet provider was located.  

ST
0
 
LVL 16

Expert Comment

by:samccarthy
ID: 14234773
Wow, here is what I said.  Guess I had at least part or all of your answer.

Within your DNS settings for your domain, look and see if you have any forwarders set on the DNS server.  Your forwarder idealy should be blank with your DC going to the root servers for any resolution.  It is acceptable to have the forwarders pointing to your ISP's DNS servers or to a Proxy or Firewall if they are configured as DNS servers.  Symantec Gateway appliances are a good example of when a forwarder would point to a firewall.  
0
 

Author Comment

by:ststst
ID: 14235092
Right - O!  i guess i was just thinking of my own DNS and didnt understand that the IP i was forwarding to was also considered a DNS.

THank you for your explanation.

ST
0
 
LVL 16

Expert Comment

by:samccarthy
ID: 14235315
Thanks, and you are welcome
0

Featured Post

What Is Transaction Monitoring and who needs it?

Synthetic Transaction Monitoring that you need for the day to day, which ensures your business website keeps running optimally, and that there is no downtime to impact your customer experience.

Question has a verified solution.

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

NTFS file system has been developed by Microsoft that is widely used by Windows NT operating system and its advanced versions. It is the mostly used over FAT file system as it provides superior features like reliability, security, storage, efficienc…
Multi-threading long-running processes can have a significant increase in overall performance and drastically decrease over time it takes for a process to complete. Unfortunately, not all applications support native multi-threading, some by design a…
Monitoring a network: how to monitor network services and why? Michael Kulchisky, MCSE, MCSA, MCP, VTSP, VSP, CCSP outlines the philosophy behind service monitoring and why a handshake validation is critical in network monitoring. Software utilized …
This is my first video review of Microsoft Bookings, I will be doing a part two with a bit more information, but wanted to get this out to you folks.

729 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