Hi all, I am new here and have limited routerboard and networking knowledge. With that out of the way, I am trying to upgrade from RouterOS v3.30, when I do upgrade to v4.17 I am thrown an “Key Change Error” : “Could not change the key - invalid key” and it says I have around 2 days to buy a license. I then downgraded back to v3.30 and if I go to license it says under “Upgradeable To” : "v4.x: and under “Level”: 4. Clicking on “Update License Key” results in the same error above namely “Key Change Error” : “Could not change the key - invalid key”.
I need to upgrade my RouterOS, please can someone help identify why this is happening and what I should do to fix this.
I have the same issue with an RB450G. Tried factory reset with no luck. I was using an old winbox at first, but after upgrading to winbox 3.1 same issue.
License issues
When upgrading from older versions, there could be issues with your license key. Possible scenarios:
When upgrading from RouterOS v2.8 or older, the system might complain about expired upgrade time. To override this, use Netinstall to upgrade. Netinstall will ignore old license restriction and will upgrade
When upgrading to RouterOS v4 or newer, the system will ask you to update license to a new format. To do this, ensure your Winbox PC (not the router) has a working internet connection without any restrictions to reach > http://www.mikrotik.com > and click “update license” in the license menu.