With the release of the new PCI DSS requirements which forbid the use of SSL 2.0 and PCT 1.0 for online transactions PCT 1.0 and SSL 2.0 must be must be disabled on all websites which handle the transfer of sensitive financial information in order to prevent a user from inadvertently using these protocols. To do that on your Microsoft IIS copy the entrys from the following section to a *.reg file and run in on your windows OS.