Sender File Adapter - FTP Connection Error 530

Need help!!!
I am getting the following error in XI when I try to connect to an ftp server.
"An error occured while connecting to server xxx.xx.x.xx:xx. The FTP server returned the following error message:'com.sap.aii.adapter.file.FTPEx: 530 Can't open passive connection---(4013)'. For details, contact FTP server vendor"
When I try the FTP connection on the OS level I am able to log in, but through XI I am unable to.
Has anyone seen this error before?

I have seen Error Code 530 earlier, it is typically related to login related issues.
Check if the user mentioned in the Comm Channel has the correct password and read as well as write rights on the Server.
The most likely problem is with the User Credentials or Authorizations

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Hi Ravi,
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Hi,
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Hi Renu,
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http://www.sap2048.com/socket-and-connection-issues-in-java-web-services-1351.htm
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Hi All,
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gone through other sdn t hreads.
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Hi Aarthi,
If you are using system other than XI, then you have to use FTP server
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/people/venugopalarao.immadisetty/blog/2007/01/24/troubleshooting-file-to-idoc-scenario-in-xi
/people/shabarish.vijayakumar/blog/2006/08/01/along-came-a-file-adapter-mr-ftp-and-rest-of-the-gang
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and go thru this links
Creating a Single Archive of the Version Files
http://help.sap.com/saphelp_nw04/helpdata/en/79/1e7aecc315004fb4966d1548447675/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/en/31/8aed3ea86d3d67e10000000a114084/frameset.htm
Note: reward points if solution found helpfull
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Sender File Adapter - FTP Connection Error 530

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