Need to know the proper key for the top secrete.

Document ID : KB000113597
Last Modified Date : 13/09/2018
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Question:
We have received the new keys for CA product for new Hardware z14, I see K4 is missing in the key file and we didn't face any issues still after moving to test system to new hardware. When i went through the LMP key code, I found K4-CA TOP SECRET SECURITY and K0-CA TOP SECRET SECURITY. I have KO in my license file. Could you please let me know whether KO is enough or we need to have both K4 and K0 for CA Top Secret?
Answer:
KO is the product code for CA Top Secret for z/OS

K4 is the product code for CA Top Secret for VM

K0 is the product code for CA Netman