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Why do I get an "SSl peer certificate or SSH remote key was not OK" error when attempting to reactivate my license?

Symptoms

  • I want to reactivate my license.
  • I am receiving this error: "SSl peer certificate or SSH remote key was not OK"

Cause

This is usually due to a connectivity issue between your machine and our license servers. It can be resolved either by adjusting some of your settings, or by performing a Manual Activation.

Resolution

The reason you are not getting the right SSL certificate or SSH remote key is due to one of the following issues:

  • You have a firewall or proxy in place which is interrupting your connection to the license server. Please try allowing these ports in your settings: 80 and 443.
  • You have an anti-viral software that is blocking the connection. Please try disabling this and seeing if the Editor will work.
  • You have a weak or intermittent Internet connection - this is less likely than the points above.

More Information

If this does not solve the problem you may need to perform a Manual Activation.

To perform a Manual Activation:

  • Temporarily switch off your Internet
  • Run Unity and you will be prompted to initiate the Manual Activation process.
  • Follow the steps shown in this document.

 

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8 Comments

  • 1
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    tim bennett

    None of this worked for me, i disconnected the internet and just got stuck on it trying to load the activation screen.

  • 1
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    Artem

    None of this works for me too.
    Obviously, you've got some problems on your servers, fix it!

  • 1
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    안호현

    None of this works for me too. 

  • 1
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    Artem Kuzmin

    it doesnt work for me either!

  • 1
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    Artem

    It's seems to me that guys from "Unity" don't bother themselves to read comments to these articles!

    Hey! Your product did not work properly, just do something about it already!!!!!

    Edited by Artem
  • 1
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    Josh Maines

    Yeah, my Unity 4 Pro won't activate any longer because it wants to connect to a server that is not reachable. It was already activated previously, so it shouldn't have its license expiring. Lame.

  • 1
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    Davor Kosanović

    Found on internet...
    1. Disable your network interface and open Unity
    2. Select 'Manual Activation'
    3. 'Save License' to your desktop
    4. Re-enable your network interface
    5. Go to https://license.unity3d.com/manual and upload the license file
    6. The site will download another license file
    7. 'Load License' and select this new license file

    Worked 4 me :)

    Edited by Davor Kosanović
  • 1
    Avatar
    Artem Kuzmin

    yes, technical support responded me yesterday and it seems that it works:

     

    1. Disable your internet connection.
    2. Open Unity.
    3. Select manual activation.
    4. Generate the .alf license file.
    5. Enable your internet connection and upload the file to https://license.unity3d.com/manual.
    6. Enter your serial number.
    7. Download your .ulf file.
    8. Select the ‘Load License’ button and select the file you downloaded in the previous step.
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