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After upgrading to Lion, all my 802.1X configurations are gone. There also does not seem to be a possibility to configure them via the system preferences:


It just tells me to get a configuration file from my system administrator.


How can I create a profile manually like before, or, if this is not possible, can I create a configuration file myself with the data I have and how?


It turned out that it was sufficient to just provide my credentials at the when I connected to the network. I was just confused as there was not profile anymore in the preferences as you can see in the screenshot above. I hope the accepted answer will still be useful.

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Yep, that's how 802.1x works. You authenticate (usually but not necessarily "on the domain"), and you're provided a certificate to install. – Dan Ray Jul 22 '11 at 13:57
Did you see a popup dialog for the certificate or is it properly signed? (Or do you know in this case?) – Sable C. Jul 30 '11 at 7:26
up vote 2 down vote accepted

You need a .mobileconfig file that includes your 802.1X profile. Acording to apple ( ) you can use the Server extensions of Lion to create it. Alternatively (and easier ) the Iphone Configuration Utility ( ) can also create it. If you upgrade to Lion from Snow leopard any existing profile is migrated.

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It turned out that it was even easier. I could just type in my credentials at the prompt and it worked. Not sure if this is because I configured it previously. As you can see, in there are not configured settings in the above list. Anyway, creating a profile with the configuration utility is a neat tip. Thanks! – Felix Jul 22 '11 at 11:29

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