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FTPS Receiver Channel: 550 Unexpected reply code

I am building an FTPS scenario for this first time and need some help with an error message I am getting for the Receiver Channel. On google I found some answers but none of these helped. :(

I have an SFTP Sender Channel which is successfully sending a file to my PI system. PI then sends this file via an FTPS Receiver Channel to the receiving system. The receiving system does see that PI is connecting to their system however no file is transferred, and in PI I get the error message '550 Unexpected reply code'.

Please can someone check if my settings are correct i.e. I have a screenshot of the receiver channel below. Also is the problem possibly on my PI system with a missing certificate, or maybe on the receiving system, or something else completely?

Also below is a screenshot of my error message.

All help greatly appreciated.

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2 Answers

  • Posted on Oct 31, 2019 at 05:56 PM

    Hi Glen,

    From you log screenshot , it says it is using the SFTP adapter for connection but your receiver adapter is FTPs. could you please check this one?

    Please check the following-

    1. Check with BASIS and target server team which port is opened, 21 is a default FTPs port

    2. Check with target FTP server team what command order is expected at their end when user is logging into the server. based on that you need to choose the command order in the receiver channel.



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  • Posted on Nov 05, 2019 at 05:22 PM

    Hi Glen,
    Please check the points as I have mentioned earlier. Also if possible , could you please run XPI inspector and get the log for this scenario?

    Please check the certificates are installed properly in Keystore TrustedCAs.

    The blogs below provide examples on using the XPI tool.

    1) Using XPI Inspector to troubleshoot HTTP SSL connections (Part 1 – Server Authentication)

    2) Using XPI Inspector to troubleshoot HTTP SSL connections (Part 2 – Client Authentication)

    See the note #1514898 XPI Inspector for troubleshooting XI, for details on installing and for the attached user guide.

    Are you writing the files directly or using a temporary file option?

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