How to use Orapwd Tool For Password File In Oracle

 The password file stores a list of usernames and passwords that are allowed to remotely authenticate as SYSDBA over the network.

Oracle must use this file to authenticate them, not the normal list of passwords stored in the database.


And for this authentication to use password file, the value of REMOTE_LOGIN_PASSWORDFILE should be EXCLUSIVE or SHARED.


orapwd tool is used to create and manage password files.


DEFAULT LOCATION FOR PWD FILE – $ORACLE_HOME/dbs


cd $ORACLE_HOME/dbs

ls -ltr orapw*


orapwd file=orapw<Instane_name> password=<password> entries=5 igonorecase=y



Overall orapwd syntax:


Usage: orapwd file= entries= force=<y/n> asm=<y/n>

dbuniquename= format=<legacy/12> sysbackup=<y/n> sysdg=<y/n>

syskm=<y/n> delete=<y/n> input_file=


Usage: orapwd describe file=


where

file - name of password file (required),

password - password for SYS will be prompted

if not specified at command line.

Ignored, if input_file is specified,

entries - maximum number of distinct DBA (optional),

force - whether to overwrite existing file (optional),

asm - indicates that the password to be stored in

Automatic Storage Management (ASM) disk group

is an ASM password. (optional).

dbuniquename - unique database name used to identify database

password files residing in ASM diskgroup only.

Ignored when asm option is specified (optional),

format - use format=12 for new 12c features like SYSBACKUP, SYSDG and

SYSKM support, longer identifiers, etc.

If not specified, format=12 is default (optional),

delete - drops a password file. Must specify 'asm',

'dbuniquename' or 'file'. If 'file' is specified,

the file must be located on an ASM diskgroup (optional),

sysbackup - create SYSBACKUP entry (optional and requires the

12 format). Ignored, if input_file is specified,

sysdg - create SYSDG entry (optional and requires the 12 format),

Ignored, if input_file is specified,

syskm - create SYSKM entry (optional and requires the 12 format),

Ignored, if input_file is specified,

input_file - name of input password file, from where old user

entries will be migrated (optional),

describe - describes the properties of specified password file

(required).



There must be no spaces around the equal-to (=) character.


Create a password file for standalone database .



HOME / DB TOOLS, ORACLE SECURITY / ORAPWD TOOL FOR PASSWORD FILE IN ORACLE

Orapwd Tool For Password File In Oracle

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The password file stores a list of usernames and passwords that are allowed to remotely authenticate as SYSDBA over the network.

Oracle must use this file to authenticate them, not the normal list of passwords stored in the database.


And for this authentication to use password file, the value of REMOTE_LOGIN_PASSWORDFILE should be EXCLUSIVE or SHARED.


orapwd tool is used to create and manage password files.


DEFAULT LOCATION FOR PWD FILE – $ORACLE_HOME/dbs



orapwd syntax:


Usage: orapwd file= entries= force=<y/n> asm=<y/n>

dbuniquename= format=<legacy/12> sysbackup=<y/n> sysdg=<y/n>

syskm=<y/n> delete=<y/n> input_file=


Usage: orapwd describe file=


where

file - name of password file (required),

password - password for SYS will be prompted

if not specified at command line.

Ignored, if input_file is specified,

entries - maximum number of distinct DBA (optional),

force - whether to overwrite existing file (optional),

asm - indicates that the password to be stored in

Automatic Storage Management (ASM) disk group

is an ASM password. (optional).

dbuniquename - unique database name used to identify database

password files residing in ASM diskgroup only.

Ignored when asm option is specified (optional),

format - use format=12 for new 12c features like SYSBACKUP, SYSDG and

SYSKM support, longer identifiers, etc.

If not specified, format=12 is default (optional),

delete - drops a password file. Must specify 'asm',

'dbuniquename' or 'file'. If 'file' is specified,

the file must be located on an ASM diskgroup (optional),

sysbackup - create SYSBACKUP entry (optional and requires the

12 format). Ignored, if input_file is specified,

sysdg - create SYSDG entry (optional and requires the 12 format),

Ignored, if input_file is specified,

syskm - create SYSKM entry (optional and requires the 12 format),

Ignored, if input_file is specified,

input_file - name of input password file, from where old user

entries will be migrated (optional),

describe - describes the properties of specified password file

(required).



There must be no spaces around the equal-to (=) character.


Create a password file for standalone database .


cd $ORACLE_HOME/dbs


orapwd file=orapwORCL password=oracle force=y

Create a password file in ASM diskgroup:


orapwd file='+DATA/orapwORCL' ENTRIES=10 DBUNIQUENAME='ORCL'

Create password file from asmcmd tool:(Oracle 12c onwards)


ASMCMD> pwcreate --dbuniquename ORCL +DATA/PWDFILE/pwdORCL oracle

We can view users authenticated through password file in v$pwfile_users table


SQL> select username,sysdba from v$pwfile_users;


USERNAME SYSDB

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

SYS TRUE


password Changes in oracle 12.2

From oracle 12.2 , complex password verification method is deployed.


Below are the criteria for password file in oracle 12.2


The password contains no fewer than 8 characters and includes at least one numeric and one alphabetic character.

The password is not the same as the user name or the user name reversed.

The password is not the same as the database name.

The password does not contain the word oracle.

The password differs from the previous password by at least 8 characters.

The password contains at least 1 special character.

Not following the criteria will throw error as below


orapwd file=orapwORCL password=oracle


OPW-00029: Password complexity failed for SYS user : Password must contain at least 8 characters.

But we can bypass this password verification, by using format=12 as below:


orapwd file=orapw$ORACLE_SID password=oracle format=12


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