[Samba] Mount of Windows 2012 share

[Andreas Sinn]

Hello all,

I want to mount on my rhel 6 server a Windows 2012 SMB share with the 
following:

  mount -t cifs //10.100.74.51/tsm_images /epostfach1 -o 
username=admin-asi,domain=LIVE

but I get the following error:

mount error(112): Host is down

dmesg
CIFS VFS: cifs_mount failed w/return code = -112


Does anyone know how this works or what I have to do on the Windows 2012 
server?

BR

Andreas