_cisco-uds SRV records must not be resolvable from outside the internal network; if they are, Jabber will not start MRA negotiation through Expressway-E.

Checked 2026-09-25

Ensure that the cisco-uds SRV records are NOT resolvable outside of the internal network, otherwise the Jabber client will not start MRA negotiation via the Expressway-E.
Vendor
Cisco
Product
Cisco Expressway
Subsystem
MRA DNS
Deployment
on-premises
Region
not restricted
Release range
Expressway X15.2 (same in X14.3)
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Cisco Jabber service discovery and sign-in: source note cisco-jabber-service-discovery-uds-not-external. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-uds-not-external

BibTeX

@misc{warmtransfer-claim-cisco-jabber-service-discovery-uds-not-external,
  title  = {Cisco Jabber service discovery and sign-in: source note cisco-jabber-service-discovery-uds-not-external},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-uds-not-external},
  note   = {Source note cisco-jabber-service-discovery-uds-not-external, checked 2026-09-25}
}

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