Reset password Weblogic Console

Forgot password to login WebLogic Server Administrator Console, After installed Oracle EM 11g Grid.
* Authentication Denied

some steps to Fun ...

$ export DOMAIN_HOME=/u01/app/Oracle/gc_inst/user_projects/domains/GCDomain
$ cd $DOMAIN_HOME/bin
$ . setDomainEnv.sh
$ cd security/
$ mv DefaultAuthenticatorInit.ldift DefaultAuthenticatorInit.ldift_old
$ java weblogic.security.utils.AdminAccount weblogic password .
$ ls -l DefaultAuthenticatorInit.ldift
-rw-r--r-- 1 oracle oinstall 3301 Jun 1 18:46 DefaultAuthenticatorInit.ldift

$ cd ../servers/EMGC_ADMINSERVER/
$ mv data data_old
$ cd security/
$ mv boot.properties boot.properties_old
$ cd $DOMAIN_HOME
$ ./startWebLogic.sh
.
.
.
***************************************************
* To start WebLogic Server, use a username and *
* password assigned to an admin-level user. For *
* server administration, use the WebLogic Server *
* console at http://hostname:port/console *
***************************************************
starting weblogic with Java version:
java version "1.6.0_20"
Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
Java HotSpot(TM) 64-Bit Server VM (build 16.3-b01, mixed mode)
Starting WLS with line:
.
.
.
Enter username to boot WebLogic server:weblogic
Enter password to boot WebLogic server:password
.
.
.
<Jun 1, 2010 7:12:21 PM ICT> <Notice> <Security> <BEA-090082> <Security initializing using security realm myrealm.>
<Jun 1, 2010 7:12:33 PM ICT> <Notice> <WebLogicServer> <BEA-000365> <Server state changed to STANDBY>
<Jun 1, 2010 7:12:33 PM ICT> <Notice> <WebLogicServer> <BEA-000365> <Server state changed to STARTING>
Ctrl-C

check boot.properties file

$ ls ./servers/EMGC_ADMINSERVER/security/boot.properties
ls: ./servers/EMGC_ADMINSERVER/security/boot.properties: No such file or directory

then create boot.properties file

$ cat ./servers/EMGC_ADMINSERVER/security/boot.properties
username=weblogic
password=password

and then start WebLogic again.

$ ./startWebLogic.sh &

Checking
- check boot.properties file.

$ cat ./servers/EMGC_ADMINSERVER/security/boot.properties
password={AES}4R+5Tu48BpEKFH9zbrTxvbG5EZywMIpecpNxsV1+YAk\=
username={AES}OvsVXimdPC6X8TrgyzzjC9YT2Z+9I2o3KNvih8vHyWw\

- login WebLogic Server Administrator Console with new password

-)