We have the same exact issues. Were you guys able to resolve the issue? and how? Thanks

Hi Ahmed,We are on a somewhat simliar issue. Everything was working fine as we were on SSO (using secureauth). Our setup is 9.1 for IM&P/CUCM with on-premise WebEx 1.5 and some using 10.6 Jabber clients.We decided to take SSO off on-premise since it ...

Is the "Instant Webex meeting" option grayed out in Jabber? Are you using SSO for on-premise Webex or LDAP authentication? 

We also ran into the same issue. We have multiple nodes and FDEMELLO's suggestion helped. The only other step we forgot to do was to go into the CUCM and copy over the new SIPxxxx file name (without the .load .spn etc extension) in place of the old l...