File transfer of large files suddenly stops

This is a problem for me today as well - Windows 10 on a Surface Pro 4. I don't need to list all the details of what others have tried, because I have tried the same. This seems unfortunate that this forum is not being monitored.

I have the exact same issue but mine is dealing with large copies to my home network.   I have a Windows Server network and a media server so copying large amounts of media files to the server is taking forever.   One or two files is quick, but I had to dump a bunch of driver files, 10GB worth over to a network drive and Windows 10 took exactly 57 minutes to do so.  That should have taken maybe two minutes on a Gigabit network.  Not with the Handy Dandy Windows 10's new and improved file copying!

I've noticed a few things as well that I've tried to rule out. .  I have an HP Officejet Pro with a scan to PC feature from the OfficeJet.  It keeps the Officejet in constant connection to the PC when online so I can just walk up to my printer/scanner and scan things directly to my PC automatically without having to go through the trouble of scanning from my PC in an application.  Whenever I start to copy files over to my network, it keeps popping up telling me the Scan to PC is offline, then reconnects and then goes offline again and again while the copy is happening.  This normally ONLY happens when my PC loses connection to the network, like a cable unplugged and so on.   It doesn't do it at any other time. other than when I'm copying files through the network now.  This is telling me that something is resetting the network connection over and over and over again.  It does coincide with the transfer rate hitting ZERO for a period of time.  It will go to zero.  After about 45 seconds, it will report the Scan to PC is offline, then pop back on that it is reconnected and the file copy will resume.   Then rinse and repeat until the copy process is completed.  I've tried all matter of changes.  Microsoft stock Windows 10 drivers for the NIC and SATA channels, regular drivers, updated drivers and so on  I also turning on and off special features of the NIC card thinking they might be arguing with other portions.  You know, taking them back to bare bones settings with no frills with 100mb and 1000mb network settings.  Nothing works.  Once again, I'm giving up on their flagship Windows, writing it off as still just too buggy for me.   One major component that I NEED to work no matter what, and it doesn't so I can't switch over until it's fixed.  I do hope when that day comes it comes with great fanfare because there are countless people waiting for the same thing to happen.  FIX IT ALREADY!!!

This same thing DOES NOT happen in Windows 7.   And it's the EXACT  SAME hardware and even the same drivers with each install on Windows 10 and Windows 7. But one works and the other doesn't!   I have a newer system designed around Windows 10 so you would figure the Windows 7 option would be the worst!  NOPE!!!

This is my 11th attempt to move over to Windows 10.  I keep giving it another shot from time to time when I have the ability to reinstall, just to see if this is getting addressed,    And it's not.   Just a bunch of answers that don't really have much of anything at all.  Anyone who has been using a PC as long as I have since long before Windows 286 will tell you this is something wrong with Windows 10 that Microsoft refuses to address or bother to fix.   I've searched through all of the suggestions all weekend long and NONE of them work or really have much of anything to do with this issue.  But they offer them any way to try to appease people rather than fixing the issue itself.  Most know that what they are asking you to try is an attempt to blow us off.  I'm really over it now.  I guess I'll try again in another few months.   Maybe this NEW big update they are going to roll out in a few weeks will finally address it?  I'm doubtful.  This has not realy been addressed since Windows 8.

I had to replace a hard drive this weekend which was why I decided to give Windows 10 another shot after I cloned my working Windows 7 into the new drive.  I tried a new reinstall on the old drive fresh from scratch.  Still the same thing,  I'll now be going back to Windows 7 again until they figure out this massive problem with their new OS.  I don't' have time to mess around with their issues.   Fix them and then I'll be back.

But REALLY irritates me is that now Microsoft has the gall to start telling me my hardware is too new for Windows 7 and I won't be getting or able to get any new updates with these annoying popups on my screen now.  So they took the time to fix that issue and make sure this new popup gots installed on Windows 7 to tell you that you should try their new all-powerful Windows 10, while completely ignoring the fact that their Windows 10 OS STILL has a MAJOR issue going on that they either can't fix or refuse to fix.  I honestly think they CAN'T fix it personally.  I think this is an anomaly that they can't figure out and this is why it has persisted from Windows 8 to Windows 10.   What a joke.  Good thing though,  if you have to go back to Windows 7 as I do, and still want the updates that are out there, there is a fix you can search for that will tell Microsoft too butt out of your system and let you continue to get and install the updates to your system without their annoying warning to upgrade to Windows 10. So for people like me, we will move over to your new OS when you fix the thing.  I know, I know, eventually, updates and the like will stop and go away and so on.  That's when you have WSUS offline come to the rescue if they still don't have this fixed by that time.   But it's time to gets fixed.  Fingers crossed.

For most who have no use or reason to copy large amounts of Data to USB or Network drives or servers,  they will never notice this issue.  This is why people are calling it the most stable version of Windows EVER!  But then you have people like me who know that while things like this are horribly broken, Windows 7 still has that title.   I just don't have ANY of these issues with Windows 7.  I copy at Gigabit speeds to and from my network without ANY issues.  But Windows 8 and Windows 10 broke that. I guess that's part of the "We designed this new OS from the ground up!" comment they made with Windows 8 and 10.  Maybe THAT was the big mistake?

Microsoft, Please fix this issue already!  I would gladly move over to your new OS if I can actually use it!!!  Until then, I'll hold off and wait it out. I need to have my OS be productive and useful.   My time is more important than trying to figure out how to fix something that you can't fix yourself.   Will I have to wait for Windows 11 or 12, or 13?  If history dictates, I'm guessing so.

Let me know!   Tom.

I was having a similar issue and wanted to add my experience.

I had this issue trying to copy lots of files (few hundred GB) from one drive to another and at some point near the beginning the speed would drop to zero bytes/sec and sit there forever. Pausing or cancelling also would sit at 0% and never complete so i had to force abort it. Turns out when it dropped to zero it was trying to copy over a hard linked file (symlink) whose target no longer existed. So once i deleted those files it worked fine. 

Hope this helps someone,

Nate

Interesting... I'll have to give it a try again the next time I transfer a group of files or one large file, I've been using a third party application I found called 'One Commander' that seems to be working fine with transfers.

Like you, the transfer speed either decreased to zero in the middle of a transfer or never went above 0% but would allow one or two files at a time to transfer.

The problem is still happening on Win 10 pro 1803...

Manually dragged folders of MP3 files to Flash drive, at one time I had about 15 folders being simultaneous copied. After letting everything finish the copy status window indicates "5 running actions", these copy routines were all stuck at 99%. I let them attempt to finish for 6 hours, no change.

Have used "free file sync" to copy MANY large amounts of files with ZERO problems.

It seems that Microsoft just cannot figure out how to copy or move large groups of files as this problem has been around for a while... Win XP, Win 2000, Win 7, and continues on Win 10.