Recently I had need to create a test RADIUS server, using NPS (Network Policy Server). In order to create PEAP policies, you need a certificate issued to the NPS server. The correct way to put a certificate on the server is to Issue a real certificate to the NPS server from a real register such as Verisign, or Entrust. You can also issue a certificate from your own CA authority. Neither of these options are quick or easy. What if you just need a certificate to see if something works. Here's how to do that. First download from Microsoft the IIS 6.0 Resource kit tools . Included in this tool kit is SelfSSL. A tool created by Microsoft to issue and install a self-signed SSL certificate. Launch SelfSSL from Start >Programs > IIS Resources > SelfSSL > SelfSSL (Note: You must run SelfSSL elevated as an Administrator) Type in the following command to generate a new certificate of key length 1024 with a validi...