Whether the license upgrade activation code is changed on USG firewalls

The license upgrade activation code is not changed. However, one activation code can be used once only.
Generally, the activation code is used when you activate the license file for the first time. If the license version and firewall version are inconsistent after you upgrade the firewall version, you can upgrade the license. You can seek help from the license management center, by sending the device ESN, LAC, contract No. and symptom description to license@huawei.com.

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