I am trying to upgrade sde 10.0 oracle geodatabase.
In one system i have installed arcgis server 10.3 and another syatem contains oracle geodatabase 10.0
here i have installed both oracle 64bit 11g client and 32bit 11g client, And oracle geodatabase 10.0 has same vesrion.
I am connecting to database through ArcCatalog 10.3 like this
(//xxxx:1521/orcl, username:sde, password:sde)
it is successfully connecting to database and Pre-Requisite check is succeeded , But upgradation fails.
[Thu Feb 11 13:14:51 2016] DB_open_instance()::db_connect (OCI8) error: 12560
[Thu Feb 11 13:14:51 2016] Error: Underlying DBMS error (-51).
[Thu Feb 11 13:14:51 2016] Error: DB_arcsde_setup: Unable to connect
[Thu Feb 11 13:14:51 2016] ORA-12560: TNS:protocol adapter error
[Thu Feb 11 13:14:51 2016] ERROR installing/upgrading ArcSDE, Error = -51