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Enterprise Manager is not able to connect to the database instance

I install the Oracle 10 after that I create database called Test_Db and the SID is TestDb

But when I run the Enterprise Manager I get Database Instance is down and Listener

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interbus
Asked:
interbus
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1 Solution
 
DavidSenior Oracle Database AdministratorCommented:
The 12541 simply says you don't have a valid connection.  From the looks of things I'd start with the listener process.  Your listener log and your alert log I presume you've already checked?
 
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interbusAuthor Commented:
Where is the listener / alert log ?

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DavidSenior Oracle Database AdministratorCommented:
alert.log is traditionally found in the BDUMP directory under ORACLE_HOME, for example /ora01/app/oracle/product/10.2.0/db_1/admin/bdump.  Your actual results may differ. :)
The listener.log is likewise under the ORACLE_HOME, as in .../network/admin .
 
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DavidSenior Oracle Database AdministratorCommented:
May I be of any further service?  Otherwise please rate your satisfaction with my answer and award points.
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