net use Z:
if %errorlevel% EQU 0 net use Z: /delete
net use z: \\ipdupartage\Partage /user:UTILISATEUR MDP /persistent:no <<<< A modifier
ping 127.0.0.1 -n 6 > nul
msiexec.exe /i Z:\CC\ADOBE_CCA_ALL_APPS_WIN64-2018-01.msi /quiet 
net use z: /delete