I am getting k3.lic as the output when I run k.exe under <APPIAN_Home>/server/_bin/k/linux64. I know that it indicates that the license is invalid and it might have been expired. But there are other factors which can make a license invalid.
The license for this environment is invalid for at least one of the following reasons:
So I want to know that if the license expiry is the reason in my case. How can I check the expiry date for the license?
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If the license has expired, the server wouldn't start. You would be seeing a K error in your logs.
As far as I know, I have seen a License expiry for On Premise Installations.
Why not generate a request for Temporary license and the based on that , Acquire K output (Q Output if on 18.1) and apply for Long Term License.
Or
Better way reach Appian Support :)