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Using the below configuration: internal Domain: company.corp Server 2008 DC and CA

I've setup Radius/NPS for WPA2-Enterprise authentication, but the mobile clients are getting certificate warnings because the PEAP certificate is self signed by the CA.

How can I fix the warning? Do I need to get a signed certificate for the company.corp domain?

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2 Answers 2

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You'll either need to get a certificate signed by one of the trusted CA's or add your CA's certificated as a trusted root on your mobile clients. The process on how to do this will differ by client.

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Thanks for the answer. Fyi, I've tried this and trusting certificates on Android is not trivial. It works on iPhone, Blackberry and Windows Mobile fine though. –  Null May 3 '10 at 18:48
    
My question is do I have to obtain a certificate for *.company.corp? And if so what process do I have to follow to resolve the issue? –  Null May 3 '10 at 18:50
    
@Null: no you shouldn't need a wildcard certificate (unless you have other uses for it) Just a certificate for the host that they will be connecting to. –  Zypher May 3 '10 at 19:06

Yes, you need to get a PEAP certificate signed by a CA that can be traversed from the mobile device's root certificates.

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