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Checklist

MT4/MT5 EA disconnected checklist

If the app shows an MT4 or MT5 account as disconnected on the EA path, start here. Most failures come from the same small set of issues: trading disabled, EA not attached, WebRequest missing, or MetaTrader simply not staying online.

Open Trading AccountsOpen Logs

Quick answer

  1. Make sure AutoTrading or Algo Trading is on and green.
  2. Make sure the EA is attached to a chart and running.
  3. Allow WebRequest to http://127.0.0.1.
  4. Keep MetaTrader open while you want copying.
  5. Confirm the account shows connected in Trading Accounts.

Most common causes

  • AutoTrading or Algo Trading is off.
  • The EA was removed, detached, or is no longer running on the chart.
  • WebRequest to localhost was never enabled.
  • MetaTrader is closed, frozen, logged out, or no longer receiving data.
  • Local firewall or antivirus is interfering with local communication.

Fix steps in order

  1. Enable AutoTrading or Algo Trading.
  2. Re-attach the EA to a chart and confirm the allowed options it needs.
  3. Open Tools → Options → Expert Advisors and allow WebRequest for http://127.0.0.1.
  4. Restart MetaTrader and re-attach the EA if the status still looks wrong.
  5. Only after that, look at firewall or antivirus interference.

How to verify

  1. Confirm the MT account shows connected in the app.
  2. Place one tiny test trade.
  3. Open Logs and confirm you see the expected copy event.