i face big problem
i use PCS7 V7 and wincc V6.2 , and i have 2 servers and 2 clients
after some times virus attack client PC no 2 and message that license is not valid is appeared
i decide to use Simatic_EKB software to remove this message
when i installed required keys and return back to my application i found when i open trend message that no license for this application.
i have not USB or certificate for license backup from Siemens
pls help me to solve this problem
it make big problem for me