
If the SSL VPN gateway uses a self-signed SSL certificate for HTTPS authentication, it is necessary to install the certificate before establishing a NetExtender connection.Downloading and running scripted ActiveX files must be enabled on Internet Explorer.To initially install the NetExtender client, the user must be logged in to the PC with administrative privileges.– Windows XP Home or Professional, Windows XP Service Pack 3 – Windows Vista Service Pack 2 (32-bit & 64-bit) Thanks for using FixYa! do not forget to vote for me.Windows clients must meet the following prerequisites in order to use NetExtender: Source: SSL VPN 2000/4000 2.5 Release Notes this has been copied from doing my research this is not my material but a help post from another source. Temporarily disable all third party anti-virus or anti-spyware solutions. Add to trusted sites, and set trusted sites security level to LOW. With 2.5.x.x firmware and above, administrative privileges are required for initial installation only, previous versions require administrative privileges for each update.



SonicWALL SMB SSL-VPN Appliances and Software: SMB SSL-VPN 2000, SMB SSL-VPN 4000, NetExtender In Windows your security settings need to be set to accommodating this installation you can find the security settings for IE8 by going to tools then internet options set your security to low from your question it reads that you have done this already my research bring me to this option please read below.
