It should be possible but you need to make sure that the identity that your .Net worker process is running under has permission to the file system on your remote network drive. If you are using Windows authentication and Active Directory accounts in EPiServer, then the users should be added to a special group in AD, and give that group permissions to create folders etc for the network location.

Hi, I saw that you answered another of my questions, they are related. We use windows authentication and Active Directory. All the users on the domain has read/write-permissions on the folder. If I run with identity impersonation I get access to the folder on the file server, but if I runt without identity impersonation I think it is the web servers aspnet account the tries to access the folder and that account has no permissions on the file server as it is a local account. The IT department don't want to give the web servers aspnet account privileges on the file server for security reasons so I don't know how to solve this.