Cisco recommends internal _cisco-uds._tcp.<domain> SRV records for MRA, but from Expressway X12.5 they are no longer a requirement.

Checked 2026-09-25

Although we recommend that the local, internal DNS is configured with _cisco-uds._tcp.<domain> SRV records, from X12.5 this is no longer a requirement.
Vendor
Cisco
Product
Cisco Expressway
Subsystem
MRA DNS
Deployment
on-premises
Region
not restricted
Release range
Expressway X12.5 and later
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-internal-optional. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-uds-internal-optional

BibTeX

@misc{warmtransfer-claim-cisco-jabber-service-discovery-uds-internal-optional,
  title  = {Cisco Jabber service discovery and sign-in: source note cisco-jabber-service-discovery-uds-internal-optional},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-uds-internal-optional},
  note   = {Source note cisco-jabber-service-discovery-uds-internal-optional, checked 2026-09-25}
}

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