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Cisco Expressway MRA Jabber Cannot communicate with the server

Level 1
Level 1



I have been trying to deploy Expressway 12.6 MRA to allow jabber to use without VPN on lab but i've been getting some issues on the testing.


Was wondering if anyone could provide some inputs and suggestion if i've missed anything ?


I've configured all the DNS on both local and public and tested , works fine.


For Expressway-E i've been seeing various docs which mentions to configure the public domain for E but some mentions use local domain.


Local Domain - abc.local

A Record and SRV

  • SRV -


Public Domain -

A Record & SRV

[Public IP]

10 10 5061

10 10 8443






  • abc.local


The issue is if i use public domain ( on E:

  • the traversal zone on C show active and reachable but the zone on E shows as state failed.
  • Also when testing via the cisco collab edge validator tool, it shows t"Failed to retrieve the edge config from Expressway-E."


The issue is if i use local domain (abc.local) on E:

  • the traversal zones on both C and E shows active
  • Also when testing via the cisco collab edge validator tool it can connect to edge server configuration but mentions "The domain of the FQDN returned by the collab-edge SRV record is not the same as the domain set on VCS/Expressway-E." which i believe it means to use public domain.

The Exp C is configured with local domain (abc.local)


I've update the jabber-config-user.xml file with update VoiceServicesDomain to public domain ( and when testing its and getting "cannot communicate with the server" and the diagnostics shows 

Domain Controller - The Specified domain either does not exist or could not be contacted."


Many Thanks

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