Thursday, September 23, 2010

Autoconfig on FE node fails with TNS error

adcfgclone.pl or adconfig.pl was failing with the below error even though the listener is running in the db server

ORA-12541: TNS: no listener

You may further notice that it is trying to connecto to DB via a different port# whereas the DB listener is running on a different port#.

Well, the reason for your problem is the database context file was not updated with the new port# and hence the Autoconfig on FE node was erroring out.
Please do the following steps to rectify the error:

•    Update the context file on db node with the original port#  and run Autoconfig.
•    Then run the Autoconfig on FE node which will complete successfully.

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