number of users logged in Rational Team Concert?
One answer
If you are doing this for audit purpose, unfortunately there are no solutions that provide the exact information (RTC does not record such information at all). Things remain the same as quite a few years ago.
https://jazz.net/forum/questions/41382/audit-report-or-log-to-check-users-connected
If license usage report fulfills the requirement, you can use the Rational License Reporting Tool to generate the report.
https://www-01.ibm.com/support/knowledgecenter/SSSTWP_8.1.4/com.ibm.rational.license.doc/topics/c_SrvAdmRpt_InstalSrvAdmRepToolApp.html
https://jazz.net/forum/questions/41382/audit-report-or-log-to-check-users-connected
If license usage report fulfills the requirement, you can use the Rational License Reporting Tool to generate the report.
https://www-01.ibm.com/support/knowledgecenter/SSSTWP_8.1.4/com.ibm.rational.license.doc/topics/c_SrvAdmRpt_InstalSrvAdmRepToolApp.html