Bulk certificate migration order: export the destination cluster's certificates to SFTP, export the source cluster's to the same location, consolidate once on one cluster, import into both clusters, then point the phones at the destination TFTP and reset them.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- Bulk Certificate Management
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-10-01
- Checked
- 2026-10-01
Sources
- Manage Bulk Certificates between CUCM Clusters for Phone Migration — Cisco Systems · tier 2 current vendor documentation · Configure section (numbered procedure)
Cite this note
APA
WarmTransfer. (2026, October 1). Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-bulk-cert-sequence. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-bulk-cert-sequence
BibTeX
@misc{warmtransfer-claim-cucm-itl-trust-troubleshooting-bulk-cert-sequence,
title = {Troubleshooting phone trust and ITL failures in Unified CM: source note cucm-itl-trust-troubleshooting-bulk-cert-sequence},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-itl-trust-troubleshooting-bulk-cert-sequence},
note = {Source note cucm-itl-trust-troubleshooting-bulk-cert-sequence, checked 2026-10-01}
}