I am unable to configure TDE.

I want to configure TDE in oracle 19c windows but when i create keystore and check by using.

SQL> select * from v$encryption_wallet;

WRL_TYPE

--------------------

WRL_PARAMETER

--------------------------------------------------------------------------------

STATUS             WALLET_TYPE     WALLET_OR KEYSTORE FULLY_BAC

------------------------------ -------------------- --------- -------- ---------

  CON_ID

----------

FILE

E:\U01\19.3\WALLET\TDE\tde\

NOT_AVAILABLE         UNKNOWN       SINGLE  NONE   UNDEFINED

     0

It will show wallet not available as file is created on windows please suggest what can i do