Check all 3 users status by logging in to oracle using the 'system' user eg sqlplus system/<password>@dim12 ... You should now be able to logging with no problems. You might have to stop and start the oracle listener .
You can find the lmgrd port and the merant vendor daemon port that the License Manager is currently using in the *. log file, by looking for: ... Here the lmgrd process is listening on port 27000 and the merant vendor daemon is listening on port 27010. ... In the *. log file, messages similar to the following are shown: