How to Change the World Seed on Your Minecraft Bedrock Edition Server
Attention
Create a backup of your server beforehand, as the current world can be lost by changing the world seed.
Open dashboard
Open your dashboard and select your Minecraft Bedrock Edition server.Open file browser
Go to the file browser.Open config
Open the fileserver.properties.Find entry
Look for the following entry:level-seed=level-seed=Insert seed
Insert the desired world seed at this point (e.g.level-seed=1111132940).Save & restart
Save the file and restart the server for the new world seed to take effect.
Tip
You can find out the current world seed of an existing world by entering the command /seed in the game.