Edit D:\app\Administrator\product\11.2.0\dbhome_1\owb\j2ee\config\principals.xml

<?xml version="1.0" standalone='yes'?>

<principals 
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  xsi:noNamespaceSchemaLocation="http://xmlns.oracle.com/oracleas/schema/principals-10_0.xsd"
  schema-major-version="10"
  schema-minor-version="0"
>
  <groups>
    <group name="users">
      <description>users</description>
      <permission name="rmi:login" />
    </group>
    <group name="guests">
      <description>guests</description>
    </group>
    <group name="administrators">
      <description>administrators</description>
      <permission name="administration" />
    </group>
    <group name="jmxusers">
      <description>jmx users</description>
      <permission name="rmi:login" />
    </group>
  </groups>

<users>
    <user username="SCOTT" password="TIGER">
      <description>no description</description>
      <group-membership group="users" />
    </user>
    <user username="user" password="456" deactivated="true">
      <description>The default user</description>
      <group-membership group="users" />
      <group-membership group="guests" />
    </user>
    <user username="anonymous" password="">
      <description>The default guest/anonyomous user</description>
      <group-membership group="guests" />
    </user>
    <user username="admin" password=""  deactivated="true">
      <description>The default administrator</description>
      <group-membership group="users" />
      <group-membership group="guests" />
      <group-membership group="administrators" />
    </user>

<user username="pwForScott" password="TIGER" deactivated="true">
      <description>Password for database user Scott</description>
    </user>
    <user username="pwForSSL" password="123456" deactivated="true">
      <description>Password for database user Scott</description>
    </user>
    <user username="pwForSystem" password="manager" deactivated="true">
      <description>Password for database user Scott</description>
    </user>
  </users>

</principals>

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