How to Enable Dynamic IP Addressing (DHCP) in Vista

When moving an existing Vista PC from one location to another, or configuring Vista for the first time after installation, it is sometimes necessary to change the Vista TCP/IP network configuration from a Static IP address to a Dynamic, or DHCP, IP address in order to be compatible with the new network location. Dynamic IP addressing is most common with mobile devices such as laptops and tablet PCs. Desktop PCs may also require dynamic IP address configuration if the network's IP addresses are centrally managed using DHCP. If you cannot connect to a new network after moving your laptop or desktop PC, changing from a static to dynamic IP address configuration may resolve the connectivity issue.

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Dynamic IP addressing is most common with mobile devices such as laptops.

Step

From the Vista desktop click "Start," "Control Panel," then select "Network and Sharing Center." Click "Manage Network Connections," then right click on the network connection listed that you use to connect to the local network and Internet. Click "Properties" in the drop-down menu.

Step

Click Continue when Windows asks for your permission to continue.

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Scroll down the list of protocols and client applications and highlight Internet Protocol Version 4 (TCP/IPv4) and click "Properties."

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Select the "Obtain an IP address Automatically" radio button and the "Obtain DNS server address Automatically" radio button.

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Now click "OK," and exit back to the desktop.

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Test to see if you can now connect to the local network and Internet by opening a Web browser and connecting to a website. If you are not able to connect to the website, then reboot and try again.