Stephan Engberts / Publications
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MetaTrader5 Build 3540/3550 no connection to broker (invalid account)
Since the update to these builds, multiple instances of MT5 give a Network error: 'xxxxx': authorization on XXXXX Server failed (Invalid account) But on the VPS i run a slight older version (2 instances to these same accounts) and there the same account are connected just fine. For the record: this