Unable to connect to license server error.

Questions & Answers
1

When I first start up unity I am unable to connect to the license server which makes me unable to activate my free license.

Here’s an image of the error.

2

http://forum.unity3d.com/threads/unable-to-connect-to-license-server-error.261658/

3

Check if Unity is not blocked by Firewall for some reason?