Friday, September 30, 2011

tns error

ORA-12154 : "TNS:could not resolve  service name"

Cause : oracle Net Services cannot locate the connect descriptor specified in the  tnsnames.ora configuration .

>> verify the tnsnames.ora files exists and that accessible .
>>verify that tnsnames.ora file in the location by the TNS_ADMIN environment variable.

ORA-12198: "TNS: could not find  path to destination  "
ORA-12203: "TNS: unable to connect the destination "

>> verify that you have correctly enter the service name of the database that you  want to connect.
>> verify that service name address ADDRESS parameter in the connect descriptor of your  tnsname.ora file are correct .
>> verify that you tnsname.ora  file stored in the directory defined in the TNS_ADMIN environment Variable

Looking forward for your suggestions.. please feel free to write to me.. Your help would definitely help to improve our blog. Chetan Yadav

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