This script is used to change the wallpaper for all selected device at once from network share path.
Folderpath=r'\\XXX-PC\pic' #Provide the network share file path
filename=r'XXX.jpg' #provide filename with extension
share_user="yyy" # Provide the user name for the shared system
share_pass="zzzz" # Provide the password for the shared system
Please run this procedure as LOGGED IN USER