Opening Bitcoin-Daemon on Windows via Command Line: Troubleshooting

As a user who has successfully created a bitcoin.conf file on your local computer, you are probably trying to start the Bitcoin daemon (also known as Bitcoind) via the command line. However, the process seems to be having problems, causing the system to hang and become unresponsive.

The problem:

When you run the Bitcoind executable from the Windows command prompt, nothing happens and the system becomes unresponsive. The error message may be similar to this:

Unrecognized option --max-memory-usage
Error: -max-memory-usage not found.

This indicates that the --max-memory-usage option is not recognized by Bitcoind, which suggests a potential issue with your configuration or environment variables.

Step by step solution:

To fix this issue, follow these steps:

1. Update and upgrade Bitcoind

First, make sure you have the latest version of Bitcoind installed on your system. You can check for updates using the following command:

bitcoin-cli --version

If there are updates available, install them accordingly.

git clone  && cd bitcoin

Update the config file
./configure --with-openssl=/usr/bin/openssl
make -j $(nproc)
make install

2. Create a bitcoin.conf file

Since you already created a bitcoin.conf file, edit it in a text editor (e.g., Notepad++) and make sure the following settings are included:

[server]
server = 127.0.0.1:8332

This will connect to your local Bitcoin node.

3. Configure Bitcoind environment variables

Create a new file named bitcoin.conf with the following content:

[conf]
max_memory_usage = 512M

Add this line to the end of your existing bitcoin.conf file, making sure it follows the same path: C:\Users\NAME\AppData\Roaming\Bitcoin\bitcoin.conf.

4. Restart Bitcoind

To apply the changes, restart the Bitcoin daemon:

bitcoind --config=C:\Users\NAME\AppData\Roaming\Bitcoin\bitcoin.conf --max-memory-usage=512M

This should start Bitcoind with the updated configuration.

Additional Troubleshooting:

If you still encounter issues after following these steps, consider the following:

• Make sure your system’s paging file is large enough to handle Bitcoin’s increased memory requirements.

• Try specifying a different node URL or port (for example, bitcoin.conf instead of 127.0. 0.1:8332) to test the connection.

• If you are using a remote node, make sure your VPN settings are configured correctly.

Conclusion:

By following these steps and troubleshooting any potential issues, you should be able to successfully start Bitcoind via the command line on Windows. Remember to update Bitcoind regularly, and consider exploring additional performance optimization options if necessary.

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