In ILS traces, certificate problems show as Certificate verification failed, and the hub logs X509_STORE_get_by_subject failed when a spoke's certificate was not imported.
Checked 2026-10-01
- Vendor
- Cisco
- Product
- Cisco Unified Communications Manager
- Subsystem
- Intercluster Lookup Service
- Deployment
- on-premises
- Region
- not restricted
- Release range
- stated for 11.5; assumed for later releases
- Checked
- 2026-10-01
Sources
- Configure and Troubleshoot Joining Clusters for ILS — Cisco Systems · tier 2 current vendor documentation · Troubleshoot > certificate failures
Cite this note
APA
WarmTransfer. (2026, October 1). Setting up ILS and Global Dial Plan Replication in Unified CM: source note cucm-ils-gdpr-setup-cert-missing-signature. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-ils-gdpr-setup-cert-missing-signature
BibTeX
@misc{warmtransfer-claim-cucm-ils-gdpr-setup-cert-missing-signature,
title = {Setting up ILS and Global Dial Plan Replication in Unified CM: source note cucm-ils-gdpr-setup-cert-missing-signature},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-ils-gdpr-setup-cert-missing-signature},
note = {Source note cucm-ils-gdpr-setup-cert-missing-signature, checked 2026-10-01}
}