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Our students are having an issue with Packet Tracer files that error out with "The publisher certificate of this file has expired or is blacklisted. The publisher certificate has the following information." Then it shows the dates of the file. Thi...
It seems to be fixed now. Our instructor did not have to do anything. As near as I can tell it was on the Cisco side. I completed the PT exercise yesterday. Other than being extremely slow, it worked fine. Funny that an organization as large as ...
