If any of you ever lost the weblogic adminserver password or any other weblogic server (for instance your forms and reports server 11g enterprise manager password), and want to reset it, these are the steps to do it on weblogic 10.3 (11g)
# set environment variables
[oracle@app ~]$ export MWHOME=/u01/app/oracle/product/middleware
[oracle@app ~]$ export DOMAIN_HOME=$MWHOME/user_projects/domains/base_domain
[oracle@app ~]$ export CLASSPATH=$CLASSPATH:$MWHOME/wlserver_10.3/server/lib/weblogic.jar
[oracle@app ~]$ cd $DOMAIN_HOME/bin
[oracle@app bin]$ . ./setDomainEnv.sh
# creating a new default authenticator
[oracle@app bin] cd ../security
[oracle@app security] mv DefaultAuthenticatorInit.ldift oldDefaultAuthenticator
[oracle@app security] java weblogic.security.utils.AdminAccount weblogic mynewpass .
# removing boot.properties if exists
[oracle@app security] cd ../servers/AdminServer
[oracle@app AdminServer] mv data data_old
[oracle@app AdminServer] cd security/
[oracle@app security] mv boot.properties oldboot.properties
# restart the admin server with the new password
[oracle@app security] cd $DOMAIN_HOME
[oracle@app security] ./startWebLogic.sh
Hope it helps someone …
