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network bridge does not have vaild ip config.

    Question

  • I have a windows 7 laptop and a Windows XP desktop. I am trying to bridge the wireless connection from my laptop to my desktop and i get this error after i diagnose it "network bridge doesnt have a vaild ip configuration". What do i do?
    Glen
    Monday, January 09, 2012 5:12 AM

Answers

  • I would like to confirm the following questions first:

    1. Is there an exclamation mark or question mark in Device Manager?

    2. Can the Windows 7 machine connect other wireless network successfully?

    Please refer to the following steps to troubleshoot the issue.

    1. Upgrade the Wireless network adapter driver. First you might go to Device Manager, right click your hardware device in the list and select Update Driver Software; then click Search automatically for updated driver software.

    Note: Drivers on the Windows Update site are directly provided by hardware manufacturers. Microsoft tests drivers in various environments before they are published; however, we cannot guarantee all drivers will work on all hardware platforms as there are too many different models, although their hardware ID are the same as the standard version. In some cases, due to hardware modifications by different manufacturers, the driver updates may cause some error.

    If it still does not work on your issue, I'd suggest you installing the Vista driver in Compatibility mode. Remove and rescan that hardware device in Device Manager, right-click on the driver executable/installer file -> Properties and select the Compatibility tab; click the checkbox before Run this program in Compatibility mode for option and select Windows Vista in the list-down box; then try installing the device driver via Run as administrator. In addition, you can use the Windows XP driver for testing.

    2. Obtain IP address automatically.

    a. Click "Start", input "NCPA.CPL" (without quotation marks) and press Enter.

    b. Right click on the connection that you use for the local connection, and then click "Properties".

    c. Click to select "Internet Protocol Version 4 (TCP/IPv4)", and then click "Properties".

    d. Check "Obtain an IP address automatically" and "Obtain DNS server address automatically".

    e. Click "OK".

    If the issue persists, please move the Windows 7 machine to another Wireless network for a test.
    Monday, January 09, 2012 7:59 AM