#2. Oracle21c, No TNS entries found error, The Network Adapter could not establish connection error

No TNS entries found an error.
The Network Adapter could not establish a connection error.
Oracle 21c Express Edition Installatin.

[@amitjoshi3967]

command not working

[@mandamkombo3833]

Worked for me. Thanks a mill.

[@flaviocursino8971]

Parabéns, super ajudou!!!

[@StudySpur]

'lsnrctl' is not recognized as an internal or external command,
operable program or batch file.

[@jhonnandersonsotomayorsanc8115]

thank you so much!

[@rat5603]

this helped, thanks!!

[@sweetiranisahu7048]

Same this command is not working

[@angelanitha2706]

sir how to solve this problem
create table student(stid int,sname char(10),sfee number(6,2));
create table student(stid int,sname char(10),sfee number(6,2))
*
ERROR at line 1:
ORA-01031: insufficient privileges
please reply me sir

[@krishanrohilla6168]

I checked it's showing lsnrctl is not recognised as an internal or external command, operable program or batch file

[@13_Phogat]

Run as administrator krke dekh

[@RohitKumar-pp9qo]

This command is not working