Source note · Expressway and Mobile and Remote Access
Under FN74362, X15.4 lets Expressway-E take an upload of a Server-Authentication-only EKU certificate. X15.5 adds a UI that separates client and server certificates and options to turn off EKU checking.
Checked 2026-09-24
provides UI enhancement for segregating client and server certificates
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- certificates
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.4 and X15.5
- Checked
- 2026-09-24
Sources
- Field Notice: FN74362 - Cisco Expressway: Impact on Secure Communication due to Upcoming Changes to TLS Certificates Issued by Public Certificate Authorities with Client Authentication EKU, Starting May 2026 - Workaround Provided — Cisco Systems · tier 2 current vendor documentation · FN74362, Solution section
Cite this note
APA
WarmTransfer. (2026, September 24). Expressway and Mobile and Remote Access: source note cucm-expressway-mra-eku-fixed-releases. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-eku-fixed-releases
BibTeX
@misc{warmtransfer-claim-cucm-expressway-mra-eku-fixed-releases,
title = {Expressway and Mobile and Remote Access: source note cucm-expressway-mra-eku-fixed-releases},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-eku-fixed-releases},
note = {Source note cucm-expressway-mra-eku-fixed-releases, checked 2026-09-24}
}