Icarus Open World Migration Fix
Moving an Icarus Open World or Prospect from local co-op to a dedicated server sounds simple until one character stops loading, gets stuck on Preparing Geometry, or fails while everyone else can join. Community reports from 2025 point to migration issues being character-specific surprisingly often, not just world-wide corruption.
How to Triage the Migration
| Result | What It Suggests |
|---|---|
| Everyone except one player can join | The failing character state is mismatched or corrupted |
| Fresh Prospect works but migrated world fails | The migrated save data needs rollback or cleanup |
| Server works after provider-side move or restart | The host node or cached runtime state was part of the issue |
Safe Migration Checklist
- Keep a copy of the original local save before uploading anything.
- Migrate only one Open World or Prospect at a time.
- Test with a fresh Prospect after the server is online.
- If only one player fails, test that same world with a different character.
- Restore the last healthy save if the migrated world keeps failing at the same step.
What to Back Up
Prospects/
OpenWorlds/
Characters/Migration failures are often partial. When one player breaks and everyone else loads in, stop treating it like a total world loss. Character state, spawn state, or one damaged save file is the better theory.
When to Abandon the Imported Copy
If a brand-new world runs cleanly and only the imported save keeps failing, go back to the original local backup and repeat the migration more carefully. Do not keep layering retries onto an already suspect uploaded copy.
Need a cleaner destination for persistent Icarus worlds? Host your Icarus server on Supercraft and start from a stable dedicated environment with fewer migration headaches.