Topic "After upgrading to Windows 8.1 file transfers fail"

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Tataponaio
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Joined: 2013-10-19
Posts: 6
I upgraded to Windows 8.1 yesterday and have been experiencing some issues that did not occur on Windows 8.0. I believe the issues are with the program itself (or Windows 8.1) versus the network in general. Prior to the 8.1 upgrade, I was able to transfer files without any issue. Now however, I am unable to get in more then a ~100 KB before it gives me the following errors (this occurs using sftp, or scp):

Network Error: Software caused connection abort
Copying files from remote side failed.


I have double checked my drivers, I have double checked the firewall and added a Rule in the Windows Advanced Firewall management for a program that would allow access.

However, no matter what I do, I am unable to transfer files.

Is this a common problem? I have been searching Google, but haven't come back with any conclusive hits. My laptop is as follows:
Lenovo Yoga 13
USB to Gigabit Ethernet Adapter

Network Topology Wise, I am behind a schools network.

Originally I was using the stable version of WinSCP, however, I upgraded to 5.2.4 (Build 3548) thinking that this would solve the problem, it did not. As mentioned above, this occurs on scp and sftp, I am using the Commander style interface,
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anon123

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I have no issues with Windows 8.1
martin
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Joined: 2002-12-10
Posts: 25015
Location: Prague, Czechia
Does it change anything, if you turn off Optimize connection buffer size?
https://winscp.net/eng/docs/ui_login_connection
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Martin Prikryl
Tataponaio
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Joined: 2013-10-19
Posts: 6
The Optimize Connection Buffer size is already disabled on my end when this is occurring.

If I enable the option, the same issue occurs.
martin
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Location: Prague, Czechia
Can you try any other SFTP/SCP client?
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Martin Prikryl
Tataponaio
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Joined: 2013-10-19
Posts: 6
Using FileZilla on the Windows 8.1 machine, I encounter the same issue.

This is pretty unfortunate. :/

EDIT: I just tested this on another machine (it runs linux) and I am able to transfer files perfectly fine using FileZilla.
martin
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Joined: 2002-12-10
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Location: Prague, Czechia
Ok, so it's obviously something wrong with your system, not WinSCP (nor Filezilla).
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Martin Prikryl
Tataponaio
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Joined: 2013-10-19
Posts: 6
Correct, Is there any better way to diagnose the problem?

EDIT:
I have already attempted a winsock reset, restore defaults on Firewall, I have attempted a reinstall of both network drivers (LAN, WLAN). Neither seem to really help or resolve my issue, and I have tried safe mode with networking.
Tataponaio
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Joined: 2013-10-19
Posts: 6
Just wanted to bump to see if anyone had any other form of trouble shooting ideas?
Tataponaio
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Joined: 2013-10-19
Posts: 6
So after more troubleshooting, if I completely disable the public Windows Firewall, WinSCP works fine. If I allow ports, or the program, or anything else there seems to be an issue with the transfer. Unfortunately, I don't know what the cause of that is, because I feel that allowing the ports should be enough.

I have tried all combinations of troubleshooting, even reinstalling Windows 8 on the laptop. For whatever reason, this Lenovo laptop has some odd issue with SFTP/SCP unless the public firewall is completely disabled.
martin
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Joined: 2002-12-10
Posts: 25015
Location: Prague, Czechia
Maybe try yet another SFTP client (Filezilla and WinSCP share some code). For example Bitvise Tunnelier. Let us know the results.
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