How to solve “Can’t open data connection for transfer (425)” error

If you use SqlBak to send backups to FTP Server. You can face a problem when though the connection seems to work, the file transfer doesn’t. In this way, you may also find the following message in the job execution log:

Can't open data connection for transfer of "<path-to-remote-file>" (425).

This problem can be solved by switching to FTP passive mode. To to this just open the job where you receive this error, find the FTP destination and click on “Edit” button as shown at the picture bellow:

FTP destination "Edit" button.

Then select “PASSIVE (PASV)” in the “Data connection” menu:

Data connection

After that don’t forget to press “Save & Close” button to apply all the changes.

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