Hello,

I have a Simatic field PG M6 with Tia Portal V18 installed. I want to upgrade to V20.

The license manager tells me I have following licenses installed:

- STEP 7 Professional combo V18

- WinCC Advanced Combo V18

- STEP 7 Savety Advanced combo V18

I provided my supplier with this info and asked him for upgrade licenses. He sold me 3 licenses, but the one for WinCC did not work. 

So I asked him for the correct license, but now I want to be sure if the new license is correct before I order it. 

How to know which upgrade license I need?

I tried to find the correct license myself and found this one: 6AV21023AA024AK5

Is this the licence I need?

Thanks!

Thanks for the fast reply!

Have a nice day,

Tomas