1.drop configuration files and repository run :
emca -deconfig dbcontrol db -repos drop

oracle 10g重建em db control

Oracle 10G重建EM DB Control.
1.drop configuration files and repository run :
emca -deconfig dbcontrol db -repos drop

2. Logon SQLPLUS as user SYS or SYSTEM, and drop the sysman account and mangement objects:
a. drop user sysman cascade;
b. drop role MGMT_USER;
c. drop user MGMT_VIEW cascade;
d. drop public synonym MGMT_TARGET_BLACKOUTS;
e. drop public synonym SETEMVIEWUSERCONTEXT;

3.Create configuration files and repository run
emca -config dbcontrol db -repos create

创建EM时,提示的端口号,应为实例的断口号,比如1521,不是EM的端口号(比如1158)
EM的端口号在这个文件中可以查到10.2.0\db_1\sysman\config\emca.properties