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Why do I see “Connection attempt failed…” when downloading or uploading EDI files via FTP or sFTP?

Learn what causes the “Connection attempt failed” error in Acctivate EDI FTP/sFTP transfers and how to resolve blocked port issues.

Answer

When attempting to download or upload EDI files via FTP or sFTP in Acctivate, you may see this error:

Error: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.

This message indicates that the connection between your workstation and the EDI FTP/sFTP server could not be established. In most cases, this is caused by a firewall or network security setting that is blocking the necessary communication ports.

Cause

Acctivate uses different ports depending on the connection type:

  • FTP: Port 21

  • sFTP: Port 10022

If these ports are blocked on your workstation, server, or router, Acctivate will not be able to connect to the EDI endpoint.

Resolution

Follow these steps to resolve the issue:

  1. Verify your EDI connection type

    • Open Configuration Management in Acctivate.

    • Navigate to EDI → Trading Partners.

    • Review the settings for the affected trading partner to determine if the connection is FTP or sFTP.

  2. Check workstation and server firewall settings

    • Ensure that outbound traffic is allowed on the correct port:

      • Port 21 for FTP

      • Port 10022 for sFTP

    • If needed, add an exception in your Windows Firewall or security software for Acctivate.

  3. Review network/router settings

    • Confirm your router or network firewall allows traffic on the required ports.

    • If your company uses a managed IT service or network administrator, ask them to verify these settings.

  4. Test the connection

    • After updating your firewall or router settings, return to EDI Configuration Management in Acctivate.

    • Test the connection again to confirm that the error no longer appears.

Expected Result

Acctivate successfully connects to the EDI FTP or sFTP endpoint and downloads or uploads transaction files without error.

Additional Notes

  • If the issue persists after confirming firewall settings, test the FTP/sFTP connection outside Acctivate using a client such as FileZilla to confirm network access.

  • For more information on EDI setup in Acctivate, see:
    🔗 Acctivate EDI Configuration Documentation