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Lost Connection
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Lost Connection
I use TWS 981.3i version. I got ''lost or unable to establish communication W/ IB TWS, pls verify TWS running target machine'' message. Is this comman issue, should i do anything to eliminate this in future. Its big risk for automated trade.Tags: None
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Hello Murphy67,
Thank you for your post.
This is a message that comes from the Interactive Brokers connection indicating that it is unable to communicate with TWS and thus, cannot connect. Connectivity issues such as this are not controlled by NinjaTrader, NinjaTrader is simply reporting the status of the connection to you. First and foremost, please make sure that TWS is indeed running. If it's already running, please restart both TWS and NinjaTrader. Remember that TWS must always be open and running at all times for the connection to work properly.
If that does not improve the connection, I would recommend following the steps below, and testing for issue after each step:- Restart NinjaTrader
- Restart your modem and (if applicable) router
- Restart your PC
- Also, ensure that your computer is not turning off your Network Adapter to conserve power:
- Right-click on your Start button
- Select 'Device Manager'
- Expand 'Network Adapters'
- Right-click on your Network Adapter and select Properties > Power Management
- Uncheck 'Allow the computer to turn off this device to save power' option
- Click 'OK' to save the changes
- Do this for all Network Adapters
- Clear your DNS
- Open the Command Prompt
- In the command prompt, run this command: ipconfig /flushdns
- If you are using a VPN, disconnect your VPN and try to connect
- Release and Renew your IP Address
- Open the Command Prompt
- In the command prompt, run this command: ipconfig /release
- Please note that you will be disconnected until you run the next command
Zachary S.NinjaTrader Customer Service
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