Hello How can I specify alternative user credentials for the Ajax Uploader to use when accessing the TempDirectory? We have technical requirement to be able to specify a directory for which the aspnet account does not have permission. But I can't find any options to be able to set a an alternative user name and password to use. 

Hi all,   Iam bhaskar using CE in backoffice of my project and i'm giving user to view and use only few buttons in CE toolbar, so when that particular user logged in how can i disable those button which he/she don't have permission to view or use.   Thank you for the help in advance   Bhaskar