Finally, I add the name of the user that can mount the shared folder and it works :
<volume fstype="cifs" server="2008-STD" path="Users/Administrateur/Desktop/Dossier partagé pour test" mountpoint="/home/%(USER)/Bureau/Dossier test" options="sec=krb5,cruid=%(USERUID),uid=%(USERUID)" user="<name>@<domain>" />
With <name> is the Windows user name and <domain> is the Active Directory domain name.
(I tried with user="%(USER)" but it doesn't work at all)
Finally, I add the name of the user that can mount the shared folder and it works :
<volume Administrateur/ Desktop/ Dossier partagé pour test" "/home/ %(USER) /Bureau/ Dossier test" "sec=krb5, cruid=% (USERUID) ,uid=%( USERUID) " <name>@ <domain> "
fstype="cifs" server="2008-STD" path="Users/
mountpoint=
options=
user="
/>
With <name> is the Windows user name and <domain> is the Active Directory domain name.
(I tried with user="%(USER)" but it doesn't work at all)