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How to fix CIFS/SMB mount error: VFS: \\... Send error in SessSetup = -13

Problem:

While trying to mount a SMB share on Linux, the mount command fails with

mount_error_output.txt
mount: /nas: cannot mount //10.1.2.3/myshare read-only.

with dmesg showing the following error messages:

dmesg_cifs_errors.txt
[  689.574128] CIFS: Attempting to mount \\10.1.2.3\myshare
[  689.621472] CIFS: Status code returned 0xc000006d STATUS_LOGON_FAILURE
[  689.621483] CIFS: VFS: \\10.1.2.3 Send error in SessSetup = -13
[  689.621503] CIFS: VFS: cifs_mount failed w/return code = -13

Solution

Error -13 means that you are missing the cifs-utils package.

Install it using

install_cifs_utils.sh
sudo apt -y install cifs-utils
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