window不能在本地计算机启动OracleDBConsoleorcl(错误提示代码2)

Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.

C:\Documents and Settings\Administrator>emctl start dbconsole
Environment variable ORACLE_SID not defined. Please define it.

//这里第一次输入错了
C:\Documents and Settings\Administrator>set orcl_sid=websys

C:\Documents and Settings\Administrator>emctl start dbconsole
Environment variable ORACLE_SID not defined. Please define it.
//重新设置
C:\Documents and Settings\Administrator>set oracle_sid=websys

C:\Documents and Settings\Administrator>emctl start dbconsole
OC4J Configuration issue. d:\oracle\product\10.2.0\db_1/oc4j/j2ee/OC4J_DBConsole
_No1_websys not found.
//提示没有找到这个文件，到这个目录复制 OC4J_DBConsole_localhost_websys 一份并重命名为 ..No1..
C:\Documents and Settings\Administrator>emctl start dbconsole
EM Configuration issue. d:\oracle\product\10.2.0\db_1/No1_websys not found.
//同上
C:\Documents and Settings\Administrator>emctl start dbconsole
Oracle Enterprise Manager 10g Database Control Release 10.2.0.1.0
Copyright (c) 1996, 2005 Oracle Corporation.  All rights reserved.
http://localhost:1158/em/console/aboutApplication
Starting Oracle Enterprise Manager 10g Database Control ...OracleDBConsolewebsys
 服务正在启动 .................
OracleDBConsolewebsys 服务已经启动成功。