No Internet on New Computer

Posts: 2 · New Forum Member Joined: Feb 25, 2008 Posts: 2

Cannot get new Vista computer to connect to the Internet via hard wire TO D-Link VWR-VD router. Vonage voice is working fine. Old XP computer is working fine on one port of router, but cannot get Vista to connect via hard wire when connected individually or from another port while XP is connected (and working). Have tried all the recommended procedures for shutting down, unplugging, plugging in and repowering in the correct sequence multiple times. Vista can get Internet when connected directly to cable modem, but not through VWR-VD router, so Ethernet controller is working. Vista has been connecting via wireless network using VWR-VD router, but will not connect via direct hard wire connection. Using ZoneAlarm firewall, but will not connect even when firewall turned off (Windows firewall is not on, either). Have tried auto repairing connection/resetting IP settings/resetting network adapter multiple times, with no effect. System says it has found an unidentifiied network. Tried running ipconfig on Vista, but resulting screen with results cannot be read because it disappears too quickly.

Posts: 260 · Posted: Mon Feb 25, 2008 12:11 am Post subject: Re: No Internet on New Computer

Zooman73 wrote:

Tried running ipconfig on Vista, but resulting screen with results cannot be read because it disappears too quickly.

Open a Command Prompt window and then run

ipconfig /a

Posts: 830 · Vonage Forum Evangelist Joined: Jun 08, 2007 Posts: 830

Try this on your VISTA machine:

Go to Network and Sharing center:

Turn on Network Discovery in "Sharing and Discovery at the bottom of the dialogue.

Posts: 830 · Vonage Forum Evangelist Joined: Jun 08, 2007 Posts: 830

vonalink wrote:

Zooman73 wrote:

Tried running ipconfig on Vista, but resulting screen with results cannot be read because it disappears too quickly.

Open a Command Prompt window and then run

ipconfig /a

On Vista, in the "run" dialogue, type "cmd", you will then get the command prompt window

Posts: 2 · New Forum Member Joined: Feb 25, 2008 Posts: 2

Problem appears to be that the VWR-VD router does not support the DHCP Broadcast Flag and Vista's default setting wants it to. Solution is at http://support.microsoft.com/default.aspx/kb/928233. Follow it to the very end. Once done, I had immediate Internet access through the router.

Posts: 830 · Vonage Forum Evangelist Joined: Jun 08, 2007 Posts: 830

You have got to be kidding . . .Microsoft decided to make VISTA non backward compatible with certain routers!!!!!

Posts: 174 · Vonage Forum Master Joined: Dec 06, 2006 Posts: 174

The Vista bugs are one of the reasons that the Federal Government waited in jumping the XP ship. I don't know if they are still delaying it, I know I am.

Too many bugs and hardware support problems . . . STILL.

Posts: 1 · New Forum Member Joined: Apr 07, 2008 Posts: 1

Check this link out. It fixed my issue
http://support.microsoft.com/kb/928233

Windows Vista cannot obtain an IP address from certain routers or from certain non-Microsoft DHCP servers
View products that this article applies to.
Article ID : 928233
Last Review : September 6, 2007
Revision : 2.1
SYMPTOMS
Consider the following scenario:
• You connect a Windows Vista-based computer to a network.
• A router or other device that is configured as a Dynamic Host Configuration Protocol (DHCP) server is configured on the network.
• The router or the other device does not support the DHCP BROADCAST flag.
In this scenario, Windows Vista cannot obtain an IP address.

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CAUSE
This issue occurs because of a difference in design between Windows Vista and Microsoft Windows XP Service Pack 2 (SP2). Specifically, in Windows XP SP2, the BROADCAST flag in DHCP discovery packets is set to 0 (disabled). In Windows Vista, the BROADCAST flag in DHCP discovery packets is not disabled. Therefore, some routers and some non-Microsoft DHCP servers cannot process the DHCP discovery packets.

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RESOLUTION
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 (http://support.microsoft.com/kb/322756/) How to back up and restore the registry in Windows
To resolve this issue, disable the DHCP BROADCAST flag in Windows Vista. To do this, follow these steps:
1. Click StartStart button, type regedit in the Start Search box, and then click regedit in the Programs list.

User Account Control permission If you are prompted for an administrator password or for confirmation, type your password, or click Continue.
2. Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{GUID}
In this registry path, click the (GUID) subkey that corresponds to the network adapter that is connected to the network.
3. On the Edit menu, point to New, and then click DWORD (32-bit) Value.
4. In the New Value #1 box, type DhcpConnEnableBcastFlagToggle, and then press ENTER.
5. Right-click DhcpConnEnableBcastFlagToggle, and then click Modify.
6. In the Value data box, type 1, and then click OK.
7. Close Registry Editor.

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MORE INFORMATION
If the router or the non-Microsoft DHCP server does not support the DHCP BROADCAST flag, you can set the following registry entry as follows:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{GUID}

Value name: DhcpConnForceBroadcastFlag
Value type: REG_DWORD
Value data: 0