"Palo Alto Networks will provide technical assistance for a period of 5 years following the End-of-Sale date, provided a valid service contract is maintained on the product."
There hasn't even been an end-of-sale announcement for PA-5050:
This means that you can have a valid maintenance contract on your firewall for _at_least_ 5 years, 6 months...
As per End of life policy, the PA5050 cannot be end of life in 2020:
For hardware platforms, the following End-of-Life policy applies:
So far there isn't an end of sale anouncement for the PA5050
If you change your comment to be "5 years after end of sale" that would be correct. End of life is when the firewall is no longer supportable. I think you have the right idea, though. There haven't been many end of sale announcements, but you can see them on the following webpage (with both dates listed!):
Click Accept as Solution to acknowledge that the answer to your question has been provided.
The button appears next to the replies on topics you’ve started. The member who gave the solution and all future visitors to this topic will appreciate it!
These simple actions take just seconds of your time, but go a long way in showing appreciation for community members and the LIVEcommunity as a whole!
The LIVEcommunity thanks you for your participation!