Mac os x self assigned ip address problem

Same with SW as other persons have had this issue come up - none of their answers applied to my issue. One of these 4 is brand new out of the box and the other 3 are within 5 years of age. Formatting is not an option. These machines are located throughout - various departments and on different floors. Some of the departments have a home run right back to the server; some go through an unmanaged 8 port switch that I installed which then home runs to the server.

If I add them to our wifi system - no problems as I can connect wirelessly.

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As soon as I turn off their wifi the ethernet goes back to a self-assigned IP address. Any advice would be very much appreciated as I want all of my workstations to be hard wired. Just because you give a computer a static IP address doesn't mean it can access the internet for various reasons. Is there a specific reason for self assigned IP?

If you can, have your tried connecting those machines using DHCP? If DHCP is working, then your configuration for self assigned needs to be looked into. Principality Consulting is an IT service provider. It will take some time as I have 76 machines but I could just start with my problem workstations first, or do I have to do all of them at once in order to be effective?

What happens if you move the problem child to a different wired LAN segment? A: I will look into this. What I don't understand is why. I'm thinking to unjoin the domain and rejoin it again in hopes it will contact the DCHP server.


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All the workstations around him have no issues and they all home run to the server. You might want to check the settings on the port - are they set to auto negotiate, or are they stuck at a single speed full duplex?

61 Replies to “Mac Self Assigned IP Address”

Check on the PC and also the switch. Is the NIC internal or expansion card? Computer problem? Tech Support Guy is completely free -- paid for by advertisers and donations. Click here to join today! What Are Your Experiences? Poll closed Dec 8, Joined: Aug 30, Messages: 2.


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  6. Anyone who comes across this problem, and searches for forums and guides to the problem, will find two things. Two: No one really knows how to fix it. However none of the solutions work for everyone, and so far all of them seem to be only temporary fixes.

    Your IPv4 Address is Sometimes however resetting the router is said to work - but it may need to be done every time you shutdown your computer and lose the IP or something - so its not a real solution in that case - anyway it never worked for me. Apparently its out of date and the mac wants faster response from the wireless router? Well than why does every other device in my house have no problem with it iPod Touch, Dell Inspiron , 10 year old garbage pc laptop, PS3?

    Clients 'randomly' assigned self-assigned IP address | Ubiquiti Community

    Is the problem my router being a third party router? Or at the heart of it, is this apples fault, for marketing a product that is incompatible with other basic hardware, and is fundamentally a failure at being a computer?

    I love macs - I now find PCs incredibly difficult to work on - so poorly designed, slow, and difficult to type and use the touch pad on. All I want is my relatively brand new computer to work again. Network: PHY Mode: Firewall: Allow all incoming connections Firewall connections and Stealth Mode: both no. Can anyone help?

    How to Fix Self Assigned IP Address Issue on Mac OS X via Keychain Access

    What is causing the problem? Is it hardware or software? Where is the problems? Are they in the computers or the routers? The problem must be related to getting the computers AirPort to recognize the IP address being provided by the Router IanEColeman , Aug 30, Joined: Feb 9, Messages: 2, I guess no one else here is having that issue.

    Problem is there are so many things it could be. You CAN'T assume it's not the router just because other computers are working. Unfortunately all routers, computers, and devices aren't always on the same page when it comes to implementation and specs of networking standards.

    mac dhcp self assigned ip address

    I have seen many times where some computer work flawless with a specific router yet others disconnect constantly. Doing this you can eliminate DHCP and by using ping and traceroute see where the issues are likely occurring. Headrush , Sep 5, Joined: Sep 12, Messages: 2. Make sure you are connecting with the correct network interface.

    Mac Internet "Self-Assigned IP" Problem (Ones And For All)

    I am assuming you want to connect wirelessly. When you're there make sure Airport is listed first and that it has a green light to the left of it and it says Connected. The status should be Connected. Below the connected word you will be given the information pertinent to the wireless router you have connected to: For instance: Airport is connected to blah and has the IP address