On X15.5 a certificate signed from a CSR without the client-authentication EKU cannot be uploaded to the client certificate store.

Checked 2026-09-30

Vendor
Cisco
Product
Cisco Expressway
Subsystem
eku
Deployment
on-premises
Region
not restricted
Release range
X15.5 and later
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-x155-client-needs-eku. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-x155-client-needs-eku

BibTeX

@misc{warmtransfer-claim-expressway-certificate-setup-x155-client-needs-eku,
  title  = {Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-x155-client-needs-eku},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-x155-client-needs-eku},
  note   = {Source note expressway-certificate-setup-x155-client-needs-eku, checked 2026-09-30}
}

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