Copying Transparent Encryption Oracle Wallets
If your database uses Transparent Data Encryption (TDE) and a software
keystore, and you rely on the sqlnet.ora parameter
ENCRYPTION_WALLET_LOCATION to locate the TDE software keystore, then
ensure that the new release sqlnet.ora has a proper configuration.
Note:
This procedure using sqlnet.ora to configure keystores is
deprecated. Oracle recommends that you use the instance initialization
file-based approach using the WALLET_ROOT and
TDE_CONFIGURATION initialization parameters. After the
upgrade, review and configure the WALLET_ROOT initialization
parameter.
If you use the sqlnet.ora file to configure keystores, then you
must copy sqlnet.ora and the keystore file manually to a keystore
location outside of the Oracle home. Wallets should be stored in a location outside
of an Oracle Home. If you move the wallet, then you must update
sqlnet.ora before starting the upgrade. For auto-login wallets,
you must also copy the cwallet.sso file manually to the new
keystore location.