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local certificate authority expired on windows server 2012R2, renewed, but still not working

Last Modified: 2020-03-11
I am using a radius server, and my cert on my server expired.  I renewed it, but it's not taking effect. I restarted the cert service, but still no go.
What am I missing?

When I log into my smart phone, or windows pc, any device, it's failing to connect because my cert is expired.  See pictures below.
What else do I need to do?  Since I'm using a radius server, I don't know if I should delete this cert and create a new one, as it might have issues pointing to the wrong cert?

I keep on trying to connect on any device and still displays the old expired cert.

expired cert
iphone error
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