Here are my screenshots:
ls -la /images/dev to validate .mntcheck exists in the upload location:

ls -la /images to validate the permissions of the files and directories of the image store:

Can you also ensure NFS is actually running? systemctl status nfs-kernel-server (I think that’s it for debian):

showmount -e 192.168.201.48:

Hello Tom,

Thanks for answer my question!

I’m trying to clarify my issue.
i’m running FOG projects 1.5.8.
I’m dropping a screenshot of my Storage node settings, and the screenshot of the error:

I have mounted the /image folder to my Netgear NAS.

Screenshot of the “ls -a”:

after booting the Debian 10, and EXP booting a device. I get the message "Could not verify mount point, check if .mntcheck exists (/bin/fog.upload. i can’s see of .mntcheck is located in /images/dev. What can i do to fix this problem? i have tried to add .mntcheck with "touch"command but nothing works.