[cisco-voip] Certificates expires - what happens next?

[Reto Gassmann]

Hello Group

I am just curious what happens, when certificates on an CUCM cluster
expire. We run a UCM cluster 9.1.2 in Mix Mode with 8 UCM server and 2 CUPS
server.

What happens if one or all of the following certificates expire:
CallManager.pem, ipsec.pem, tomcat.pem or CAPF.pem and the according -trust
certificates.

Will the UCM cluster stop working, DB replication issues or will I have
error messages on the phones?

Thanks for your thoughts
Regards Reto
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