Only one CSR can exist per server and certificate type. Generating a new CSR replaces the previous one.

Checked 2026-09-25

Only 1 CSR per server and certificate type can exist.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
ca-signed
Deployment
on-premises
Region
not restricted
Release range
14.x-15.x
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM certificate renewal: source note cucm-certificate-renewal-one-csr-per-type. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-certificate-renewal-one-csr-per-type

BibTeX

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

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