dot1x authentication is not supported by some win xp machines?

I have configured a Dot1X authentication on my cisco switchs and it worked perfectly... The only issue that I am facing is that some windows xp computers in the network is lacking the option of dot1x configuration in NIC properties.is there a way to add the authentication tab to xp machines which dont have that?
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wrefaiAsked:
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wrefaiConnect With a Mentor Author Commented:
Well thank you sir,

I got the soloution you only need to enable it from start the authentication from the services tool. Thanks guys for your support
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RPPreacherCommented:
Update the driver
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wrefaiAuthor Commented:
RPPreacher, I updated the driver but the dot1x authentication tab did not show yet I have a Realtek RTL8168/8111 PCI-E Gigabit Ethernet NIC ... Any chance there is another solution ?
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RPPreacherCommented:
Use the manufacturers driver.  Not the one from the Microsoft update page.
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wrefaiAuthor Commented:
RPPreacher, I do not think that there is an update for this peticular brand... Any souloution ?
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wrefaiAuthor Commented:
The problem is from service pack 3 once I uninstalled the service pack 3, the Authentication tab showed... Please if you can provide me with anyfix to enable the dot1x authentication tab on the SP3 I have to deploy them to 100 PC's in the orgnization and all of them are win XP prof SP3.

Thank you, wil be waiting for your kind reply.
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RPPreacherCommented:
Try enabling the wired autoconfig service.
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wrefaiAuthor Commented:
RPPreacher, Please can you go into details... How to autoconfig service.
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