CUCM - Out of compliance issue

[kaleemullahbilal1]

Dear Members,

I m getting below message on our CUCM Server. Can someone help me to identify the issye, will it stop the existing Registered Phones. Attaching the screenshot for your reference

[Leo Laohoo]

FN - 72318 - Cisco Unified Communications Manager / Session Management Edition: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality