1. Download the Space Engineers Dedicated server tool from steam found here: https://steamdb.info/app/298740/
2. Run the Tool Program that you just installed.
3. Press "Run as Admin"
4. select local/Console then press "Continue to server configuration"
5. In the "password" area, type in what you'd like the password to be, then press save at the bottom.
6. Now click the edit button next to save, this should open a notepad file.
7. Find these 2 lines
<ServerPasswordHash>z5dXWHuN6eheu9x+Hf8yEyUG71U=</ServerPasswordHash>
<ServerPasswordSalt>/NEiQKDQVNvBEnp27Izvjw==</ServerPasswordSalt>
In the example above the password used was "1234" - Note this is just an example, the hashes above will never show your actual password.
As it is encrypted.
8. Paste these values into your "SpaceEngineers-Dedicated.cfg" configuration file
If you need any further assistance please make sure to contact the HostHavoc server support team from our ticket system.
https://hosthavoc.com/billing/submitticket.php