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IIS 7 FTP - Command line client works, but GUI FTP doesn't?

We just setup an FTP server on IIS 7. Everything works fine from the Windows built in command line FTP. I can login and see and create folders, etc. But logging in with a couple of different GUI FTP programs does not work. Server is behind a SonicWall 2040

Here's a log from WISE-FTP, also tried FileZilla

! Connecting to x.x.x.x...
< 220 Microsoft FTP Service
< 331 Password required for tuser.
> PASS (hidden)
< 230 User logged in.
< 215 Windows_NT
< 257 "/" is current directory.
< 227 Entering Passive Mode (x.x.x.x,212,42).
< 150 Opening ASCII mode data connection.
< 550 Data channel timed out.
< 257 "/" is current directory.
! Unable to connect to x.x.x.x! (257 "/" is current directory.)
< 999 Unexpected session disconnect with error code: 10053!
1 Solution
Have you tried to switch Passive mode off in your clients? As far as I see, your problems are because your clients are trying to use passive mode (windows built-in client doesn't) and IIS is not running in passive mode (it could but should be twicked for it, for example, as described here http://www.velikan.net/iis-passive-ftp )
willp2Author Commented:
Thanks. I had figured this out on my own since I asked the question. Good info on reconfiguring IIS to go passive.

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