"Don't Have Permission To Write To The Selected Folder" Issue

Recommended Posts

It sounds like you're adapting the SynoCommunity installation to your needs, but I wouldn't be comfortable with that because I could never be sure of all the things it's done to install itself, which makes troubleshooting a pain. I did a clean install, and it's a poor man's guide because it just provides a way of doing it without necessarily fully comprehending everything. If your installation doesn't work, all I'm able to suggest is wiping it and doing a clean install, which I do suggest.


For the file permissions, you use the "chmod" command. Your directories with permissions "d---------" are completely unpermitted, which doesn't sound good, but who knows. A quick and dirty thing to try from the btsync user's root directory to fix all the permissions at one go is:


> chmod -R 755 *


I wouldn't think there'd be any side effects if it doesn't work, but if there are, then, again, feel free to sue me. I assume you know how to start and stop the btsync process when making any changes to its files.


note: you can create txt files on your computer, upload them via the web interface, and then edit them with vi if necessary rather than create something from scratch with vi.

Link to post
Share on other sites

I really appreciate your help.

I had figured out the necessary chmod command and parameters by the time you read the  last post, and I have everything working. But I agree, a root-and-branch removal of the SynoCommunity package, and replacement with the DIY version, is my next step.

Again, thanks for your help.

Link to post
Share on other sites
  • 1 month later...
  • 2 weeks later...



The user under which you run Sync should be the owner of the folder and files in it that you are trying to add. Please, use ls -al command in the folder to learn about the owner of it. 'ps aux | grep sync" to see under which user Sync runs and chwon command to change the owner or chmod command to set necessary permission to the folder. 

Link to post
Share on other sites
  • 1 month later...

I found a solution! Well at least it works for me. I have a shared Videos folder on my Synology NAS which I wanted to sync between my Mac. I also had the problem with permissions. So I went to the Control Panel – Group – Users – Permissions – and ticked the Read/Write option for the Videos folder which I wanted to sync. And now the Bittorrent Sync client on my NAS indeed syncs the folder. The permission problem is gone. Really happy about it! :D. I hope it works for you. : ]

Link to post
Share on other sites

I had the same problem today with the latest DSM version so I figured that this is still a current problem. I hope that by documenting what I found today will help other people who like me are not comfortable using a Telnet interface.


 It seems - I stress " seems" - that there is a rights problem that has crept into DSM. I am a use not an IT professional.  Folders I created many months ago work, but recent folders don't.  But how to access all the hidden files that File Station doesn't give access to?  


Searching further on the internet I came across this link:-


I downloaded WinSCP from http://winscp.net/eng/download.php

I followed the instruction exactly,. including using "root" and my admin password and was successful in getting the dual-pane file explorer interface on my PC. 

Browsing to the files that were created some months ago showed that they had rwxr-xr-x or rwxrwxrwx Rights, but the ones I had created recently were "---------" even though they seem to be accessible with File Station.    Right mouse clicking on the folder I had been trying to use with BitTorrent Sync which showed " --------"  gave me a "Properties" choice and when this opened I was given the possibility to check boxes to change the "Rights"  I checked all the boxes and after a few seconds the GUI came back to show the rights had now been changed to "rwxrwxrwx".  

Returning to BitTorrent Sync now I had no error message when I chose this folder to use for synchronizing. 


A big thanks to Richard at wijngaard.org for his detailed explanation on how to access the file properties on a Synology and the guys at  WinSCP for their great app. ... and I hope that this long explanation helps some other users of Synology and BitTorrent Sync if they face the same " don't have permissions to write to the selected folder" , error. 

Link to post
Share on other sites
  • 3 months later...

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.