Dear all
i have successfully upgrade oracle database from 10.2.0.2.0 to 11.2.0.2.0 through dbua but after upgrade i have copied listener and tnsname from realese to and new release then i follow these step
Stop listener it get stop perfectly
start listener it won't get start it gives ora-12560 error
i have checked and change the file at /usr/sap/sid/sys/profile/oracle also
if there is anything to do with control file let me know
Kindly suggest for the above