Oracle enterprise manager

Enterprise Manager is not able to connect to the database instance. The state of the components are listed below

Database Instance
       down

Listener                                                                Agent connection to instance
  down                                                                                        down

It was working fine untill few days back

dbconsole is up and listener is up as well

Any suggestion?
taazAsked:
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OP_ZaharinCommented:
- check if your services for instance and listener is up and running. are you on windows? its on control panel -administrative tool - services. look for OracleTNSListener and OracleOraDBXXXX
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sventhanCommented:
what do you get when you do the following?

run this on database host where you running you agent

./emctl status agent

on console

./emctl status oms

If they're up and running logout of the console and log back in.
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taazAuthor Commented:
thks
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