This Short Oracle 11g Database Troubleshooting try to Solve the Browser Console Manager Error with Message:
TNS:listener does not currently know of SID given in connect descriptor
Try the Proposed Solutions and See if they Solve your Particular Situation...

- Check if the Listener is Started
- Login a Oracle User
su oracle
- Check if Listener is Started
lsnrctl status
Look if a Listener Instance is Started.
Take Note in Otput of the Path to listener.ora
- Login a Oracle User
- Restart the Database
sqlplus '/ as sysdba'
> shutdown immediate
> startup
Wait Until the Database is Opened> exit
Exit - Re-Connect to Database Manager
https://127.0.0.1:1158/em
If Prompted for User/Pass Then you are Done!Then to Connect Insert:
User -> SYS
Password
Select SYSDBA from Dropdown