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MUM Europe 2020

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by Fita
Mon Nov 09, 2009 4:45 pm
Forum: General
Topic: RouterOS License and v4 questions
Replies: 116
Views: 48583

Re: RouterOS License and v4 questions

i just purchased Level 4 and custom frequency license while the Mikrotik OS installed was v3.19 on RB/411 and works fine, but when i want to upgrade it to 3.28 or 3.30 or 4.2 it says: Your router does not have any valid key. Please, get valid key from and enter it at "System ...