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Error while installing oracle

Last response: in Applications
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May 4, 2010 7:53:40 AM

hello,
i was trying to install sql on my PC,but while entering the username and password,it shows an error as follows:
ORA-12203: TNS:unable to connect to destination
please provide a solution for the same

thank you
May 4, 2010 8:00:47 AM

Invalid address specified or destination is not listening. This error can also occur because of underlying network or network transport problems.

Verify that the net service name you entered was correct. Verify that the ADDRESS portion of the connect descriptor which corresponds to the net service name is correct. Ensure that the destination process (for example the listener) is running at the remote node.

Hope that helps :) 
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