I was troubleshooting an application called QuickFile which uses FTP to be able to transmit certain Tax data at one of our customer sites. When you launched the application or when you tried to send the data it would give you an error saying that it could not connect to the FTP server. I worked on allowing outbound ftp access from this computer but it was still not working. After watching the logs on the ASA I could see the FTP connection was successfully being established. I then called the vendor and they sent me a breakdown of what the program is trying to do at that point and I found that it had to modify some files in the QuickFile program directory during the process. I then gave the user rights to that directory and it started to work again. So be careful not to completely trust the error messages that applications display as they can sometimes be misleading.
QuickFile Could Not Connect to FTP Server Error
Networking, ASA, FTP,