Source note · Cisco Jabber service discovery and sign-in
Jabber MRA sign-in fails when the _collab-edge SRV record is missing or not externally resolvable, or when TCP 8443 to Expressway-E is blocked.
Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- sign-in failures
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- Resolve Collaboration Edge Most Common Issues — Cisco Systems · tier 2 current vendor documentation · Log in issues: _collab-edge SRV / port 8443 item
Cite this note
APA
WarmTransfer. (2026, September 25). Cisco Jabber service discovery and sign-in: source note cisco-jabber-service-discovery-fail-collab-edge-8443. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-fail-collab-edge-8443
BibTeX
@misc{warmtransfer-claim-cisco-jabber-service-discovery-fail-collab-edge-8443,
title = {Cisco Jabber service discovery and sign-in: source note cisco-jabber-service-discovery-fail-collab-edge-8443},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-jabber-service-discovery-fail-collab-edge-8443},
note = {Source note cisco-jabber-service-discovery-fail-collab-edge-8443, checked 2026-09-25}
}