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renewing cert

Hi All,

I have an issue on renewing nac appliances certs. Present boxes uses 1024bit as keys, now there's a need to use public certs, which the min requirement is 2048.

What is the best way to minimise downtime for users? Thinking, possible to generate a seperate 2048 key and do a csr from another nac appliance, export the 2048 key, once the cert is signed, import the key and signed cert to designated box?

Or is there a better way? Any coments are most welcome.

Regards

Joachim

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