Asked by:
Is Synctoy 2.1 compatible with Windows 10?

Question
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I haven't tried installing it since there is conflicting information on the web, and I don't want the clutter left behind should it NOT work on Win 10.
One thread mentions a "tricky install of .net framework 2" is required but no hints on what those "tricks" may be.
Thank you.
Sunday, October 25, 2015 5:46 PM
All replies
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OK, 119 reads, no replies, so decided to try it, and it works fine on Win10 Pro.
Now I do have Visual Studio 2015 installed, so I'm making the assumption that the .Net pieces and parts required for SyncToy 2.1 came in by way of VS 2015.
For anyone else wondering about SyncToy 2.1 on Windows 10, I guess you are on your own...
SyncToy is a GREAT tool, I was really hoping Microsoft would adopt it as a main core component of Windows, it really is THAT GOOD.
- Proposed as answer by jackiehsp Friday, April 7, 2017 9:46 AM
Thursday, October 29, 2015 12:49 PM -
Control Panel -> Programs and Features -> Turn Windows Features On or Off
Select .Net Framework 3.5 to install. Then install SyncToy 2.1 as usual.
- Proposed as answer by Vamitra Thursday, November 12, 2015 12:13 AM
Thursday, November 12, 2015 12:13 AM -
Thus if Framework 3.5 is installed. Synctoy 2.1 works with Windows 10. I do not dare to install Windows 10 as long as I am not certain of this possibility. Thank you.Thursday, November 19, 2015 10:44 AM
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Thanks for your suggestion, worked a treat!Tuesday, December 22, 2015 3:01 AM
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Thank you Vamitra. This worked perfectly.Wednesday, December 30, 2015 8:06 PM
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Thanks, Vamitra. .NET 3.5 worked for me.Friday, March 11, 2016 12:35 PM
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Yep, that worked for me too!Sunday, April 10, 2016 10:01 PM
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Runs on my box with win10 x64, even after upgrade from win 7.
no tricks necessary
Thursday, April 28, 2016 10:58 AM -
dittoSunday, June 5, 2016 4:22 PM
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I miss Windows Live Mesh... :( SyncToy seems to do the trick though. Does anyone know if it runs in the background? Or do I need to manually run it every time I want to sync two folders?
Thank you.
Chris
Wednesday, June 15, 2016 7:09 PM -
You could try the Windows Task Scheduler to schedule SyncToy to run using the command line. You can find info about running SyncToy using the command line under the Help menu, SyncToy Help... and then SyncToy How To Topics and Run SyncToy From Command Line.Tuesday, June 28, 2016 1:46 AM
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OK, 119 reads, no replies, so decided to try it, and it works fine on Win10 Pro.
Now I do have Visual Studio 2015 installed, so I'm making the assumption that the .Net pieces and parts required for SyncToy 2.1 came in by way of VS 2015.
For anyone else wondering about SyncToy 2.1 on Windows 10, I guess you are on your own...
SyncToy is a GREAT tool, I was really hoping Microsoft would adopt it as a main core component of Windows, it really is THAT GOOD.
I have VS2015 installed on my PC running Win10 Pro and I also assumed that ".Net pieces and parts required for SyncToy 2.1 came in by way of VS 2015", so when I tried to install SyncToy using "SyncToySetupPackage_v21_x64.exe", I still get this error:
"This setup requires the .NET Framework version 2.0.50727. Please install the .NET Framework and run this setup again."
I dutifully downloaded .NET Framework 4.6.1 for Win 10 and you guessed it, I get this error:
".NET Framework 4.6.1 or a later update is already installed on this computer."
What should I do to install SyncToy?
Thanks
Tuesday, December 27, 2016 8:06 AM -
I get the same .NET Framework error message which prevents me from installing SyncToy on my Surface Pro 4, running W10 Pro Ver 1607 build 14393.693
Please help!
Based on the advice above I tried to re-install .NET Framework 4.6.1 and 3.5 SP1, but "Your installation will not occur" because ".NET Framework 4.6.2 or a later update is already installed" By going into the Registry I see that I have .NET Framework 4.6.01586 installed.
How can I install SyncToy?
Thank you for listening and helping.
Sunday, January 22, 2017 1:12 AM -
Setting .NET 3.5 on in Windows features allows SyncToy to install properly.Monday, January 30, 2017 1:46 PM
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As stated by Vamitra and Darrell just tick the checkbox for .NET Framework 3.5 on. Some files will uploaded, automatically installed and SyncToy installation is successful!
CQ54
- Edited by CQ54 Wednesday, February 15, 2017 6:09 PM
Wednesday, February 15, 2017 6:08 PM -
thank you, you are awesome!Sunday, February 26, 2017 3:18 AM
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You little Bobby dazzler! Thank you!Thursday, July 20, 2017 6:34 PM
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When I follow the instructions for downloading the .NET Framework 3.5 on my Windows 10 PC I get error messages and cannot download it. I have followed the instructions as in this thread with no joy.
I'm told that "Windows needs files from Windows Update to finish installing some features". At this point I click "Download files from Windows Update". After a moment I end up being told "Windows couldn't complete the requested changes". It reports the Error Code 0x800F081F.
Strange how it worked for other folks but I seem to be getting errors
- Edited by sannesley Tuesday, September 5, 2017 7:34 AM
Monday, September 4, 2017 7:06 PM -
Worked for me! Thanks!Thursday, September 7, 2017 9:01 PM
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When I follow the instructions for downloading the .NET Framework 3.5 on my Windows 10 PC I get error messages and cannot download it. I have followed the instructions as in this thread with no joy.
I'm told that "Windows needs files from Windows Update to finish installing some features". At this point I click "Download files from Windows Update". After a moment I end up being told "Windows couldn't complete the requested changes". It reports the Error Code 0x800F081F.
Strange how it worked for other folks but I seem to be getting errors
You don't have to download and install .Net 3.5 on Windows 10, you have to enable it.
Simply do what Vamitra said:
Control Panel -> Programs and Features -> Turn Windows Features On or Off ->Select .Net Framework 3.5.
ZZ
Saturday, September 9, 2017 2:04 PM -
SyncToy works perfectly on Windows 10. I'm currently running the Insider Build 17017.1000 (Redstone 4) & it is fast & copies are perfect.Sunday, October 15, 2017 4:16 AM
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So, after you install SyncToy, do you then have to go back and uncheck the box for .Net Framework 3.5Thursday, November 2, 2017 1:53 AM
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Thank you so much! It's working now!Thursday, November 9, 2017 7:49 PM
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Thanks!! You're a lifesaver!Tuesday, March 20, 2018 5:56 PM
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It doesn't seem to work, as it requires .NET framework 2, and it is now impossible to install such a version on windows 10.
brilliant
Sunday, March 25, 2018 11:16 AM -
This worked for on "Windows Server 2016"
Thanks
Monday, May 7, 2018 1:09 AM -
thank you, thank you, thank you. I was having synctoy withdrawal.Saturday, June 23, 2018 5:38 PM
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I ticked the .Net Framework 3.5 folder and saw I had to open it up in order to enable it
- and I took the chance of ticking BOTH boxes under .Net Framework 3.5 , and it worked fine after all the installations were completed.
The MS site https://www.microsoft.com/en-us/download/details.aspx?id=15155 does not list W10 under System Requirements,
- and also (therefore?) mentions .Net Framework v2.0 .. ?
- but I enabled version 3.5 as described by Vamitra of course :)
Saturday, December 21, 2019 2:34 PM