RE: Lost internet connection
- From: v-crinal@xxxxxxxxxxxxxxxxxxxx ("Crina Li")
- Date: Tue, 17 Oct 2006 03:40:40 GMT
Dear customer,
Thank you for posting in SBS newsgroup.
From your problem description, I understand this issue to be: Internetconnection is lost in your network. If I have misunderstood your concerns,
please do not hesitate to let me know.
To narrow down the problem, would you please help me collect the following
information?
1. Is your network diagram as following?
SBS LAN------SBS------Router------Modem------Internet
2. How many NICs your SBS has?
3. Do you have ISA installed on SBS?
4. Does the situation occur if you connect a client PC directly to router?
5. Does the situation occur on SBS?
6. Are there any related errors in event log?
Currently please check if you have configures SBS and client computer
correctly:
For one Nic, you need to configure on SBS server and client computer as
following:
SBS:
IP: Fixed IP address
Gateway: your Hardware router IP
DNS: SBS NIC IP as the only entry
In the DNS console (dnsmgmt.msc), right click your ServerName and click
properties. In the Forwarders tab, your ISP DNS server IP should be
inputted there.
On the client workstation, please make sure the configuration:
IP: Assigned by DHCP on SBS or your hardware router
Gateway: hardware router
DNS: SBS INTERNAL NIC IP as the only entry
For 2 NICs on SBS:
On SBS server:
External NIC:
IP: assigned by your ISP or your hardware router
Gateway: your ISP or your Hardware router IP
DNS: SBS INTERNAL NIC IP as the only entry
Internal NIC:
IP: Fixed IP
Gateway: None
DNS: SBS INTERNAL NIC IP as the only entry
In the DNS console (dnsmgmt.msc), right click your ServerName and click
properties. In the Forwarders tab, your ISP DNS server IP should be
inputted there.
On workstation inside your SBS local subnet
IP: Assigned by DHCP on SBS
Gateway: SBS internal NIC IP
DNS: SBS INTERNAL NIC IP as the only entry
If the configuration is correct, please double check the following steps to
rerun CEICW:
1. On the SBS 2003 Server open the Server Management console. Go to
Standard Management\To Do List.
2. Click the "Connect to the Internet" link.
3. Choose not to change the connection type and click Next. On the Firewall
page, select "Enable firewall" and click Next.
4. On the "Services Configuration" page, select all the items and then
click Next.
5. On the "Web Services Configuration" page, make sure "Allow access to the
entire Web site from the Internet" is selected. If you select "Allow access
to only the following Web site services from the Internet", make sure the
web sites you want to publish are selected. Click Next.
6. On the "Web Server Certificate" page, choose to create a new Web server
certificate and then type the public FQDN or public IP of SBS.
7. Go through the remaining steps.
8. If you have a router or hardware firewall, configure it to forward
inbound traffic on TCP port 80 and 443 to the SBS server's external
address.
You may also refer to the following KB article:
825763 How to configure Internet access in Windows Small Business Server
2003
http://support.microsoft.com/?id=825763
Related information:
325487 How to troubleshoot network connectivity problems
http://support.microsoft.com/?id=325487
I appreciate your time and look forward to hearing from you.
Best regards,
Crina Li (MSFT)
Microsoft CSS Online Newsgroup Support
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--------------------
| Thread-Topic: Lost internet connection
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| From: =?Utf-8?B?VmxhZG8gSG9ydmF0?= <VladoHorvat@xxxxxxxxxxxxxxxxxxxxxxxxx>
| Subject: Lost internet connection
| Date: Mon, 16 Oct 2006 09:42:02 -0700
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|
| I hope someone can help me out. We have a SBS 2003 server with 7 XP Pro
| client computers attached. The internet is connect from a high speed
modem
| to a USR 8200 router/vpn/firewall and then into the main hub. Users have
not
| have problems before with connecting to the internet or with email.
Today
| they cannot connect to either. This has happened before, usually
resolving
| itself. Last time it took a week. I turned off the firewall settings in
the
| GPO and on the client machines but nothings is working. There is
probably a
| better setup but I first want to get the clients back up and running.
Does
| anyone have a suggestion?
|
.
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