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Fix: no peers / 0 connections

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Applies to: v3.x and v4.22.x (desktop)

Symptoms

  • “0 connections”
  • “No peers”
  • Sync never starts
  • You upgraded from v3 → v4 and now v4 won’t connect

Quick checks

  1. Make sure your system clock is correct.
  2. Check firewall / antivirus isn’t blocking the wallet.
  3. Confirm you’re running a current Core version (v4.22.x).

Fix (most common): reset peers.dat

peers.dat is a local cache of previously connected peers. If you installed v4 over v3, peers.dat may still contain v3 peers, which can prevent v4 from connecting correctly. 1

Steps

  1. Close Core
  2. Open your data directory:
  3. Windows: %APPDATA%\Reddcoin\
  4. macOS: ~/Library/Application Support/Reddcoin/
  5. Linux: ~/.reddcoin/
  6. Rename or delete peers.dat
  7. Start Core — it will create a fresh peers.dat

Admin-verified

Resetting peers.dat is a standard fix when a v4 wallet is picking up old v3 peers. 2 1

If you’re on v3 and upgrading soon

If you’re still on v3, upgrade guidance often includes removing peers.dat when switching to v4 to avoid peer-mixing. 3

Footnotes

  1. Telegram export (ReddCoinOfficial), obito, 18 Sep 2024 06:34 UTC-05, message2002895 (messages962.html). (v4 should only connect to v4 peers; rename/move peers.dat.) ↩↩

  2. Telegram export (ReddCoinOfficial), John (cryptognasher) Nash, 19 Feb 2025 04:31 UTC-05, message2016799 (messages973.html). (“delete peers.dat … might be picking up old v3 peers”.) ↩

  3. Telegram export (ReddCoinOfficial), obito, 28 Nov 2024 07:25 UTC-05, message2008135 (messages966.html). (v3 upgrade guidance: remove peers.dat so wallet recreates it.) ↩