Updating the License Key on a Cisco ASA

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To upgrade the current license of your cisco asa firewall, you need to order a new license key from Cisco at www.cisco.com/go/license. You will receive a new license key in your email after a couple of hours. 

To apply this new license key in your security appliance, configure the following:

ASA5500(config)#  activation-key <license_key>
ASA5500(config)#exit
ASA5500#copy running startup
ASA5500#reload

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