How to Increase the Slots on Your Minecraft Bedrock Edition Server
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:max-players=10max-players=10Change value
Change the value to the desired number of players.
Warning
Important: Make sure that your server has enough resources (such as RAM and CPU) to support the increased number of players.