If your SonicWall security appliance is deployed in a high-security environment that does not allow direct Internet connectivity from the SonicWall security appliance, you can enter the encrypted license key information from https://mysonicwall.com manually on the Device | Settings > Licenses page in the SonicOS management interface.
Manual upgrade of the encrypted license keyset is only for closed environments. If your firewall is connected to the Internet, it is recommended you use the automatic registration and Security Services upgrade features of your appliance.
You need to perform steps 1 through 4 from a computer connected to the internet and then continue the procedure in the SonicOS Management Interface of the security appliance that does not have internet connectivity.
Click MANUAL UPGRADE and select Add keyset to your product. The scrambled text displayed is the License Keyset for the selected SonicWall security appliance and activated Security Services.
Paste (or type) the Keyset (from the step 3) into the Enter Keyset field in the Manual License Upgrade dialog.
The configuration has been updated
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After the manual upgrade, the Settings | Licenses page does not contain any registration and upgrade information.