Resolve Collaboration Edge Most Common Issues

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/support/docs/unified-communications/expressway/118798-technote-cucm-00.html

Published

2024-09-03

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Cisco copyright; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• The _collab-edge SRV record points to the Expressway-E FQDN on port 8443. in context
• 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. in context
• Microsoft DirectAccess can break Jabber MRA sign-in because it tunnels DNS queries into the internal network. Cisco states DirectAccess is not officially supported with MRA. in context
• MRA sign-in can fail when the Expressway-E hostname or domain set on its DNS page does not match the target in the _collab-edge SRV answer. in context
• If Expressway-C cannot resolve internal _cisco-uds SRV records, the edge configuration returned to Jabber contains no UDS servers, which Cisco says is common in dual-domain deployments. in context
• The Expressway-C status 'Waiting for traversal server info' is caused by the Expressway-C's internal DNS servers holding two A records for the Expressway-E. in context
• An active Webex Connect (Webex Messenger) subscription for the user's domain can redirect Jabber sign-in to Webex. The documented workaround is to exclude the WEBEX service, for example with the installer argument EXCLUDED_SERVICES=WEBEX. in context

Cite this source record

APA

WarmTransfer. (2024, September 3). Resolve Collaboration Edge Most Common Issues. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-technote-118798-collab-edge-common-issues

BibTeX

@misc{warmtransfer-cisco-technote-118798-collab-edge-common-issues,
  title  = {Resolve Collaboration Edge Most Common Issues},
  author = {{WarmTransfer}},
  year   = {2024},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-technote-118798-collab-edge-common-issues},
  note   = {Cisco Systems, accessed 2026-09-25}
}