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re: Question about 'Share an Internet Connection'
Monday, August 16, 2004 at 7:46 pm
Windows XP Annoyances Discussion Forum
Posted by ed zerylnick
(1 messages posted)
The best advice I found (worked like a charm for the same originally posted problem)
is found at the site www.dslreports.com/forum/remark,10779865~mode=flat
It says that the winsock sockets are likely corrupt. To diagnose that and to fix
that, there is a Microsoft article with some fairly simple steps listed. I did the
steps exactly as in the Microsoft document (Method 1 to diagnose, then edited the
two registry sections as the fix, restarted, reloaded TCP/IP and restarted again)
and suddenly my home network was working again and my step-daughter's Dell laptop
was connecting to the internet. The microsoft info is KnowledgeBase article 811259
(go to support.microsoft.com and search). Check it out and good luck!
On Monday, November 4, 2002 at 4:42 pm, Donny wrote:
>I had the same problem and found the follwing answer:
>
>Automatic Private Address Configuration
>
>Automatic Private IP Addressing (APIPA) is used to allocate addresses within subnetworks
>that either do not have a local DHCP server or do not have a
>routed path to a DHCP server on another subnetwork.
>By default, a computer running Windows 2000 first tries to contact a DHCP server
>to obtain an IP address and related configuration information for each installed
>network connection:
>
> If a DHCP server is reached and the leased configuration is successful, TCP/IP
>configuration is completed.
> If a DHCP server is not reached, the computer instead uses APIPA to automatically
>configure TCP/IP.
>
>When you use APIPA, Windows 2000 determines an address in the reserved IP address
>range from
>169.254.1.1 through 169.254.254.254. This address is used as a temporary IP address
>configuration until a DHCP server is located. The subnet mask is set to 255.255.0.0.
>The APIPA range of IP addresses (169.254.0.0/16) has been set aside for use in IP
>address autoconfiguration by the Internet Assigned Numbers Authority (IANA; www.iana.org/).
>Any IP addresses within this range are not usable on the Internet. APIPA eliminates
>IP address configuration for single-network small office or home office networks
>that are not connected to the Internet.
>
>End of quote. So, in a nutshell, all computers must have DHCP enabled (thru TCP\IP
>protocol) and the one sharing the internet connection must be connected to the internet
>BEFORE you boot up the other computer(s). To check to see if you have DHCP assignment
>or APIPA, right click on your local network connection icon in systray, select STATUS,
>then SUPPORT tab. It will state your address type, either "Automatic Private Address"
>or "Assigned By DHCP".
>
>Two places to go for XP:
>
>http://www.microsoft.com/windowsxp/expertzone/columns/crawford/02april22.asp
>
>http://www.microsoft.com/windowsxp/pro/techinfo/administration/homenetbridge/default.asp
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