Automatic Private IP Addressing
Anyone an idea? Is this possible with W7? http://social.answers.microsoft.com/Forums/en-US/w7network/thread/1c9044d2-85a5-4cb2-ba90-ff6866a4adb1
July 1st, 2010 9:26am

Why would you like to disable APIPA in Windows 7? It will not affect anything in your system. Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
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July 2nd, 2010 10:41am

The Telecom guys of a customer of me do not want 192.168.X.X addresses, they need 0.0.0.0 addresses if a user has no network connection
July 2nd, 2010 1:24pm

Want to bring this back up to the list... Anyone? Didn't expect this was so a hard question.
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July 4th, 2010 10:20pm

I do not know how disabling APIPA, but as one of those Telecom guys..I build Softswitches from about the last ten years (Asterisk based PBX) and I have NEVER have had any issue with this. Maybe you should talk to the telecom folks yourself, someone could be confused. and you posted they did not want 192.168.x.x.. the APIPA Ip range is 169.254.0.0-169.254.255.255 . It does not give out 192.168.x.x ip's
July 5th, 2010 12:43am

of course I mean 169.254 sorry for the type-o the main reason of the network people is: when a DHCP renewal fails it will take 5 minutes before the user gets a new address with APIPA enabled in theory a second network gets created with all clients that have an APIPA address (not secure)
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July 5th, 2010 11:45am

IF DHCP fails, an apipa adress will be assigned. But this does no mean the computer will stop requesting a DHCP adress. Instead it will keep trying to get an adress at the same rate! The apipa assignment does not contain a default gateway or DNS, and thus only allows network connection in the same subnet using netbios name resolution. I think the security issue is only small here. Certainly because in normal conditions, your DHCP server is running. On top, by default, all Vista/Windows 7 are equipped with IPv6 which can (and will) entirely "autoconfigure". However, to provide an easy out-of-the box workaround, you might want to fill in the alternate IP in the TCP/IP configuration dialogue. When dhcp fails, the computer will assign himself this adress, and no apipa.MCSA/MCTS/MCP
July 5th, 2010 7:27pm

Can someone else (Microsoft) subscribe this please?
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July 6th, 2010 11:31pm

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