My experience with Windows services is that you have to login the service with a user account to use any network operations. So try to change this: //# Service Account Information serviceProcessInstaller.Account = ServiceAccount.LocalSystem; serviceProcessInstaller.Username = null; serviceProcessInstaller.Password = null; into: //# Service Account Information serviceProcessInstaller.Account = ServiceAccount.User; serviceProcessInstaller.Username = yourusername; serviceProcessInstaller.Password = yourpassword; With the correct values of course... -------------------- Bertram Weckmann www.svizzer.com --------------------