NinjaTrader
NinjaTrader troubleshooting guides
18 articles
- How to Create and Restore NinjaTrader BackupsEasily back up and restore your trading settings, data, and tools to stay prepared and minimize downtime with NinjaTrader’s backup feature.
- Common NinjaTrader Errors and How to Fix ThemA searchable list of common NinjaTrader 8 errors and their fixes — connection failures, login problems, license issues, and more.
- How to Clear the Cache in NinjaTrader 8 (NT8)Clearing the cache in NinjaTrader 8 helps improve performance by removing temporary files and outdated data.
- How to Fix: NinjaTrader Slowness Using the NinjaScript Utilization MonitorUse the NinjaScript Utilization Monitor to find which indicator or strategy is slowing NinjaTrader down — and fix lagging charts.
- How to Send NinjaTrader Log and Trace Files to SupportStep-by-step instructions on how to locate and send log and trace files directly from your VPS.
- How to Reset the NinjaTrader DatabaseReset the NinjaTrader database to fix corrupted data and connection issues — what a reset changes and how to do it safely.
- How to Set Calculate On Each Tick vs On Bar Close in NinjaTraderLearn how to change NinjaTrader indicators or strategies to calculate On Each Tick vs On Bar Close — now managed per-indicator in newer NT8 versions.
- How to Rebuild a NinjaTrader Workspace to Fix Stability IssuesStep-by-step guide to rebuilding a NinjaTrader workspace to resolve instability, without changing your Machine ID or re-licensing add-ons.
- How to Enable Multi-Provider Mode in NinjaTrader 8Multi-Provider Mode allows you to connect NinjaTrader to multiple data feeds or brokerage accounts at the same time.
- How to Fix: NinjaTrader Will Not Open or LaunchNinjaTrader won't open? Work through stuck processes, workspaces, repair, and clean reinstall — in the right order.
- How to Fully Reinstall NinjaTrader 8 Without Losing Your SettingsThis guide provides step-by-step instructions to fully uninstall, reinstall, and restore NinjaTrader 8 using your existing data folder.
- How to Link Apex (Tradovate) Prop Firm Accounts in NinjaTraderLink your Apex (Tradovate) evaluation or funded account in NinjaTrader — setup, agreements, and common connection fixes.
- How to Link Apex (Rithmic) Prop Firm Accounts in NinjaTraderLink your Apex (Rithmic) prop firm account in NinjaTrader — Multi-Provider Mode, connection setup, and logon fixes.
- How to Fix: NinjaTrader 8 Login Loops and CAPTCHA PromptsStop repeated NinjaTrader 8 login prompts and CAPTCHA loops — clear stale sessions and reconnect your prop accounts.
- How to Whitelist Tradovate Data Feeds on Your VPSThis quick 2-minute guide walks you through the process of whitelisting Tradovate’s IP addresses and ports to ensure the most stable and reliable connection.
- How can I copy trades between my machines over the same local network?Follow the official Replikanto documentation to set up copy trading over a LAN connection.
- How can I copy trades between two or more machines over the Internet?Follow the official Replikanto documentation to set up copy trading over an internet connection.
- How to Enable Hotkeys in NinjaTrader on Your VPSEnable NinjaTrader hotkeys by navigating to Tools → Options → Trading and checking the box to activate hotkeys, then click Apply and OK.