title: Logic app Error FTP server xxx.xxx.xxx is currently unavaible
body: <p>I am using logic app to upload some files from the blob storage to FTP. Most of the time my logic app fails states that Error FTP server xxx.xxx.xxx  is currently unavailable. Sometimes it went successfull.</p>
  
  <pre><code>{
    "error": {
      "code": 502,
      "source": "logic-apis-eastus.azure-apim.net",
      "clientRequestId": "xxxxxxxxxxxxxxx",
      "message": "BadGateway",
      "innerError": {
        "status": 502,
        "message": "The FTP server 'xxxxxxxxxxxxxxx' is currently unavailable. Please verify server logs to troubleshoot connection issues.\r\nclientRequestId: xxxxxxxxxxxxxxxxx",
        "error": {
          "message": "The FTP server 'xxxxxxxxxxxxxx' is currently unavailable. Please verify server logs to troubleshoot connection issues."
        },
        "source": "ftp-eus.azconn-eus.p.azurewebsites.net"
      }
    }
  }
  </code></pre>
  
  <p>I am not sure why this is happening my number of records 2500 or more than that.</p>
  
  <p>Can anyone advice on that what can be the issue?</p>