Cisco Unified MeetingPlace, Release 6.x -- About Troubleshooting Audio Server and Web Conferencing Licensing Issues
The following tip applies ONLY to systems that have a Release 6.x Audio Server and a Release 5.4 Web Server configuration:
If you see an error similar to the following:
"The maximum number of web conferencing licenses has been reached, please try again later or contact your system administrator."
then you need to increase the number of web licenses on the Release 6.x Audio Server.