Ticket #16549 (closed defect: fixed)

Opened 23 months ago

Last modified 22 months ago

Shared folder became case sensitive after update to 5.1.16 (Centos 7.3 Hosts/Win10 Guest)

Reported by: HRZunibi Owned by:
Component: shared folders Version: VirtualBox 5.1.16
Keywords: Cc:
Guest type: Windows Host type: Linux


After update to the latest version of VBox my shared folder became nearly unusable as it is now working as case sensitive. Prior to the update it was running as "case insensitive". This results in protable executables not finding their DLLs any longer. I read that this was a very old bug and fixed several relases ago...


Logs_from_ucrasher2.7z Download (28.0 KB) - added by ucrasher2 23 months ago.
name case still fails even with 5.1.17 xxx68

Change History

comment:1 Changed 23 months ago by HRZunibi

After downgrading to 5.1.14 via yum downgrade VirtualBox-5.1 (Guest Additions still 5.1.16 on Guest). Everything is now working again.

comment:2 Changed 23 months ago by JackieKu

I am suffering from this bug, too. With Windows 8.1 guest and 5.1.16/5.1.14 guest additions installed, the host is Linux 4.9.13.

It should be noted not all usage patterns become case sensitive, perhaps only a subset of Windows API is affected.

VirtualBox 5.1.14 was fine.

comment:3 Changed 23 months ago by CoolBalance

FYI. I'm experiencing the same issue. Ubuntu 16.10 host, various microsoft windows guests. VirtualBox 5.1.14 is fine. 5.1.16 is when the issue occurs.

comment:4 Changed 23 months ago by frank

Confirmed. The more recent 5.1.x test builds have a fix. And there are also fixed builds for EL7 and Ubuntu 16.10. Could you confirm the fix?

comment:5 Changed 23 months ago by fluid

I had the same problem with 5.1.16 on Opensuse Leap42.1 linux host with Windows 2000 as guest. As all my files were upper case anyhow, I only needed to add a couple of upper case symbolic links to the mixed case directory names in the path. The problem did not exist in 5.1.14 or earlier releases. (I reported this in the forum first, but reported the problem solved after I discovered origin and tested my work around.)

Regards, Fluid

comment:6 Changed 23 months ago by s0u1

Host Debian 8.7 3.16.0-4-amd64, guest Win 7 x 32 SP1, VirtualBox 5.1.16 r113841 (Qt5.3.2), guest additions installed - Error exists! Rollback to 5.1.14, this version works

Last edited 23 months ago by s0u1 (previous) (diff)

comment:7 Changed 23 months ago by HRZunibi

I just tried the test build 5.1.17_113974 and tested some folders on my virtual Win10. So far it works. (GuestAdditions still stable version 5.1.16). THX! Regards, Peter.

Changed 23 months ago by ucrasher2

name case still fails even with 5.1.17 xxx68

comment:8 Changed 23 months ago by ucrasher2

Here the GA 113868 still does not help. I went back to GA from 5.1.14, but that did not help as well. In my case the compiler(MSVC2014) does not find include files if the name cases do not match the files. I zipped both logs and attached (Logs_from_ucrasher2.7z).

I fear I must go back to 5.1.14 for now.

PS: Let me say thanks a million for all the hard work the VB team does.

comment:9 Changed 23 months ago by HRZunibi

@ucrasher2: Have you tried 5.1.17 113974 instead of 113868? That was the build that worked for me.

comment:10 Changed 23 months ago by sunlover

ucrasher2, r113868 does not contain the fix. Please use r113974 or newer.

comment:11 Changed 23 months ago by frank

And keep in mind: The fix is at the host side, not at the guest side!

comment:12 Changed 23 months ago by frank

  • Status changed from new to closed
  • Resolution set to fixed

Fixed in VBox 5.1.18.

comment:13 Changed 23 months ago by HRZunibi


comment:14 Changed 22 months ago by ucrasher2

5.1.18 works fine regarding name cases here. Thanks!

comment:15 Changed 22 months ago by fluid

same here: 5.1.18 works fine again, my work-around (symbolic links) removed. Thanks.

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