On a mixed-mode cluster, run utils ctl update CTLFile on the publisher after regenerating CAPF, CallManager or ITLRecovery and before restarting services.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- CTL
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Regenerate Certificates In Unified Communications Manager — Cisco Systems · tier 2 current vendor documentation · Mixed-mode requirement note
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-mixed-mode-ctl-update. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-mixed-mode-ctl-update
BibTeX
@misc{warmtransfer-claim-cucm-itl-trust-troubleshooting-mixed-mode-ctl-update,
title = {Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-mixed-mode-ctl-update},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-mixed-mode-ctl-update},
note = {Source note cucm-itl-trust-troubleshooting-mixed-mode-ctl-update, checked 2026-10-01}
}