Mount VeraCrypt encrypted container via batch file fails because of the system can't find the file

[Tobias Barz]

Hi there,

I'm using VeraCryptPortable 1.23-Hotfix-2 and have created two encrypted
file container as well as two key files one for each file container.

I'm using Windows 10.0.17763 Build 17763 x86 running on a
VirtualBoxPortable 5.2.26 r128414 (Qt5.6.2) as a guest system.

The file container and key files as well as the VeraCryptPortable files
are stored on a SD card mounted on Windows 10.0.17134 Build 17134 as a
host system. I created permanently a shared drive mounted on the guest
system within VirtualBox. On the guest system I mounted the shared drive
as a network drive automatically mounted on system startup, ie. there's
a network drive S:\ and you can access the shared drive within the
network environment \Vboxsvr\s.

If I try to run VeraCryptPortable from the network drive, it won't let
me access VeraCryptPortable.exe. I got an error message saying the
system can't find the path, but that's not the issue I'd like to get
help for, because I'm able to run VeraCryptPortable in the network
environment without any issues. I'm sorry, the error message is written
in German.

I'm able to start VeraCryptPortable, choose the encrypted container
files as well as key files and after entering the password and pim the
container is mounted properly.

However, I'd like to avoid repeating these steps every time the guest
system boots, so I want to create a batch file doing that during system
start. I did it in the past, please see my btw comments below. If I try
to run the following script as an administrator on the shared drive
\Vboxsvr\s\D, not from the network drive, D is the encrypted container
name, I get the error that the system can't find the file even it's the
container nor the key file. I'll create a new generated password so it's
fine to share it in plain text here.

I'm not quite sure, if it's a system related or VeraCrypt related issue.
I assume it's a system related issue, however, I hope someone has an idea.

Btw: I was forced to create a new guest system as the last one was
stored on another SD card which unfortunately cracked and is unusable
any longer. On the old guest system I did the same constellation, mount
containers via batch file, batch file and all other files like the
container was stored on the SD card except the key files I didn't use
that time.

Any help is much appreciated.