The certificate monitor service runs once every 24 hours by default. It runs every hour once a certificate has expired or will expire within one day.

Checked 2026-09-25

It runs every one hour when the certificate either has expired or is going to expire in one day.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
certificate-monitor
Deployment
on-premises
Region
not restricted
Release range
14 and 15 and SUs
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM certificate renewal: source note cucm-certificate-renewal-cert-monitor-interval. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-cert-monitor-interval

BibTeX

@misc{warmtransfer-claim-cucm-certificate-renewal-cert-monitor-interval,
  title  = {Unified CM certificate renewal: source note cucm-certificate-renewal-cert-monitor-interval},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-cert-monitor-interval},
  note   = {Source note cucm-certificate-renewal-cert-monitor-interval, checked 2026-09-25}
}

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