ORA-02095: specified initialization parameter cannot be modified and scope both and spfile

You can get ” ORA-02095: specified initialization parameter cannot be modified ” error when changing Oracle database 12c.

 

ORA-02095: specified initialization parameter cannot be modified

 

You need changing any parameters of Oracle database as Oracle DBA like following.

 

[oracle@MehmetSalih ~]$ sqlplus / as sysdba

SQL*Plus: Release 12.2.0.1.0 Production on Tue Mar 19 16:05:39 2019

Copyright (c) 1982, 2016, Oracle. All rights reserved.


Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

SQL> show parameter processes

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
aq_tm_processes integer 1
asm_io_processes integer 20
db_writer_processes integer 1
gcs_server_processes integer 0
global_txn_processes integer 1
job_queue_processes integer 4000
log_archive_max_processes integer 20
processes integer 300
SQL>
SQL>
SQL>
SQL> alter system set processes=1000 scope=BOTH;
alter system set processes=1000 scope=BOTH
*
ERROR at line 1:
ORA-02095: specified initialization parameter cannot be modified

 

Scope both and spfile

 

If you got ORA-02095 error, it means this parameter is static so you should write it into spfile and restart database.

SQL>
SQL> alter system set processes=1000 scope=spfile;

System altered.

SQL>
SQL> show parameter processes

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
aq_tm_processes integer 1
asm_io_processes integer 20
db_writer_processes integer 1
gcs_server_processes integer 0
global_txn_processes integer 1
job_queue_processes integer 4000
log_archive_max_processes integer 20
processes integer 300
SQL>

 

 

restart database and see the effect.

 

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.

Total System Global Area  534462464 bytes
Fixed Size                  2230072 bytes
Variable Size             339740872 bytes
Database Buffers          184549376 bytes
Redo Buffers                7942144 bytes
Database mounted.
Database opened.


SQL> show parameter processes;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
aq_tm_processes                      integer     1
db_writer_processes                  integer     1
gcs_server_processes                 integer     0
global_txn_processes                 integer     1
job_queue_processes                  integer     1000
log_archive_max_processes            integer     20
processes                            integer     1000
SQL>

 

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