How can make entry for "TNSNAMES.ORA" on the local host for Oracle Application (In Oracle Apps R12).

TNSNAMES.ORA entry to runs Oracle Application R12 at local Host 
OR 
TNS Entry steps to runs Oracle Application R12

Please follow the given steps -:

1- Go to  Host Desktop Screen 

2- Press Home key + R and Type 'drivers'

Then Press Enter .

3- Now Go to Folder etc < Hosts

Then

Then

In the Host File please make entry for -

IP Address   |   Hostname   |  SID

As - 192.168.1.5  ebs.example.com  EBSDB

Important -:  Default setup for Oracle Vision Instance to connect database and Application 

Host -  Host IP Address -  192.168.1.5 

Port -  Port Number       - 1521

SID -   Service Identification  -  EBSDB

Note - You can also Explorer the path directly .Follow the given below directory for the same .

C:\Windows\System32\drivers\etc

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