Configure TDE on Oracle 19c Multitenant-Database Server on Windows
1) Set Parameters
<CDB>
-- Wallet root location: E:\oracle\base\admin\tdedb\wallet
sqlplus / as sysdba
SQL> alter system set WALLET_ROOT="E:\oracle\base\admin\tdedb\wallet" scope=spfile;
System altered.
SQL> alter system set "_tablespace_encryption_default_algorithm" = 'AES256' scope=both;
-- The following parameter setting is required for patch level 19.25 (Oct-24)