How to log on to Database control at oracle11g

Oracle 11g login Database control Problem oracle11g login Database control Implementation OEM login encountered the following problems: Error emctl when starting Database Control. bat start dbconsole www.2cto.com windows solution: 1. run cmd and enter emctl status dbconsole to return: Environment variable ORACLE_UNQNAME not defined. please set ORACLE_UNQNAME to da tabase unique name: The system sets ORACLE_UNQNAME. You can set it manually. <1> cmd --> set ORACLE_UNQNAME = orcl (Note: This orcl is the instance name) instance name query method: select t. * from v $ instance t
<2> RUN emctl status dbconsole to check the dbconsole status and return the oracle Emterprise manager 11g is running. Note: run the command emctl start dbconsole to set RACLE_UNQNAME as an environment variable. You need to test the setting.