zPDT licenses
To use zPDT, you must have a machine-readable zPDT license and an appropriate z System serial number for your zPDT z System. If you want to install a z/OS AD-CD system, you also need a different license to decrypt the distributed IPL volumes. The licenses are provided through a USB token or through a remote license server. The serial number is provided in similar ways. See Figure 2-1 on page 10 for examples of typical zPDT USB tokens.
The installation and use of these licenses, servers, and serial numbers can appear complex because ...

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