Since there are a lot of forum topics asking the same questions over and over again, here is the read material, that everyone should read before asking “Why my script does not work?”
https://wiki.mikrotik.com/wiki/Manual:Scripting_Tips_and_Tricks
m3das … why are you posting to another topic same problem which you started your in own topic? http://forum.mikrotik.com/t/failover-script-not-working-on-my-router/167838/1
Do you think it makes readers more happy?
This info seems to have moved to:
Neither link works. I think https://help.mikrotik.com/docs/ is down
Edit: Link works again.