WebLogic Default Admin User’s Password change/Reset

Situation: Change/Reset the WebLogic Default Admin User’s Password>
Solution: we have two methods to change the WebLogic Default Admin User’s Password

• • If you know the Admin password
  • If you don’t know the Admin Password, we need to reset the Password.

–> If You Know Admin Password:

• • Login into Weblogic console.

http://hostname:port/console
Take “Lock & Edit”
Home –>Summary of Security Realms –>myrealm >User and Groups –>Users
Click on “Customize this table.”
Filter by Column: Name –> Enter WebLogic Admin UserName as part of “Criteria.”
Click “Apply.”

• • Changed WebLogic Admin User Password:

Click on “WebLogic Admin UserName” –> Go to Passwords Tab.
Enter a new password for:
*New Password:
*Confirm New Password:
Click on “Save.”

• • ShutDown Managed Servers:

Login into WebLogic console.
http://hostname:port /console
Take “Lock & Edit”
Environment –> servers –> Control –> Check All managed server –> Shutdown–>Force Shutdown now.

• • Shutdown Weblogic Admin server

Take “Lock & Edit”
Environment –> servers –> Control –> AdminServer –> Shutdown–>Force Shutdown now.

• • Change Boot.properties

# $DOMAIN_HOME/servers/$ADMINSERVER_NAME/security
# cp -p boot.properties boot.properties_bkp
# vi boot.properties
username=” weblogic username”
password=” New Password”

• • Clear Tmp and cache folders for WebLogic Servers

# $DOMAIN_HOME/servers/SERVER_NAME
# rm -R tmp cache

• • Start Weblogic Admin server

# $DOMAIN_HOME/bin
# nohup ./startWebLogic.sh &

• • Start Weblogic Managed Servers

Login into Weblogic console.
http://hostname:port/console
Take “Lock & Edit”
Environment –> servers –> Control –> Check All managed server –> Start.

–>If You Don’t Know Admin Password, Reset Admin Password:

• • ShutDown Managed Servers:

Login into Weblogic console.
http://hostname:port/console
Take “Lock & Edit”
Environment –> servers –> Control –> Check All managed server –> Shutdown–>Force ShutDown now.

• • Shutdown Weblogic Admin server

Environment –> servers –> Control –> AdminServer –> Shutdown–>Force ShutDown now.

• • Move of LDAP folder for Adminserver and Manager server.

# $DOMAIN_HOME/servers/SERVER_NAME/data/ldap
# mv ldap ldap_bkp
*Note: If we move ldap folder, We may lose the privileges for user Global roles.

• • Set the Environment Variable

# $DOMAIN_HOME/bin
# . ./setDomainEnv.sh

• • Backup  DefaultAuthenticatormyrealmInit.initialized file from ldap folder.

# $ DOMAIN_HOME/servers/AdminServer/data/ldap
#  mv DefaultAuthenticatormyrealmInit.initialized DefaultAuthenticatormyrealmInit.initialized_bkp

• • Create a new initialization

Create a new initialization file for the default authenticator by running the below command that creates a new DefaultAuthenticatorInit.ldift file in the $DOMAIN_HOME/security subdirectory
#java weblogic.security.utils.AdminAccount <username > <newpassword> $DOMAIN_HOME/security

• • Create a boot. Properties file with new username and password already used on the previous step.

# $DOMAIN_HOME/servers/AdminServer/security
# cp -p boot.properties boot.properties_bkp
# vi boot.properties
username=” weblogic username”
password=” New Password”

• • Start Weblogic Admin server

# $DOMAIN_HOME/bin
# nohup ./startWebLogic.sh &
Once the admin server comes up and running Weblogic Server will encrypt the password in boot.properties file.

• • Start Weblogic Managed Servers

Login into Weblogic console.
http://hostname:port/console
Take “Lock & Edit”
Environment –> servers –> Control –> Check All managed server –> Start.