FTP Server "Failed to retrieve directory listing"

Question

I am setting up a new FTP site on Server 2012. I can access the site locally but when accessing using filezilla externally I get the error:
Status:    Connecting to 203.109.232.97:21...
Status:    Connection established, waiting for welcome message...
Response:    220 Microsoft FTP Service
Command:    USER ftptest
Response:    331 Password required
Command:    PASS **********
Response:    230-Directory has 857,133,400,064 bytes of disk space available.
Response:    230 User logged in.
Command:    OPTS UTF8 ON
Response:    200 OPTS UTF8 command successful - UTF8 encoding now ON.
Status:    Connected
Status:    Retrieving directory listing...
Command:    PWD
Response:    257 "/" is current directory.
Command:    TYPE I
Response:    200 Type set to I.
Command:    PASV
Response:    227 Entering Passive Mode (203,109,232,97,233,180).
Command:    LIST
Response:    150 Opening BINARY mode data connection.
Error:    Connection timed out
Error:    Failed to retrieve directory listing
Have opened ports on firewall but still not working. Not sure what to try next

Answer 1

Check : http://social.technet.microsoft.com/Forums/windowsserver/en-US/706e5104-325c-4c43-8c06-a20704569bf4/ftp-server-failed-to-retrieve-directory-listing?forum=winservergen
Arnav Sharma | http://arnavsharma.net/ Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading
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