Repository navigation
mirror.exe - Access denied if mounted without mount manager #1337
Description
Hi there, I'm developing with dokany and met this issue which I am seeking advice in finding the root cause.
I have been trying mirror.exe with mounting to another folder:
.\mirror.exe /r .\target\ /l "D:\dokany\x64\Release\dest\" /e /d /s
However, every time I try to open the file inside, it always return access denied error. By chance, I found enabling the mount manager will instantly fix the issue.
Now I'm really curious about the actual root cause and I have tried looking at the logs for a while now but totally got no clue. Here's the log I capture from mirror.exe output:
log.txt
I do have a theory that since my dest is a reparse point to a device not registered by mount manager, so Windows block accessing the file inside?
Can I ask for tips with this? Thank you in advance
Activity
The009 commentedon Aug 7, 2026
Windows requires elevated privileges to do this. Make sure you run your application as Administrator :)
DongKat commentedon Aug 10, 2026
Hi thank you @The009 for your tip, but unfortunately, I still can't access while running mirror on Administrator console without setting mount manager. At this point I'm looking into the code. I think without mount manager, dokany.dll creates a reparse point to the a device owned by the driver. Perhaps the reparse point is owned by something at kernel level, blocking me a user from accessing it?
The009 commentedon Aug 18, 2026
Try absolute paths.
DongKat commentedon Aug 24, 2026
I tried the second suggestion as well, but unfortunately I’m still seeing the same issue. Do you have any other suggestions for what I could check?