Enterpises Manager 11g

Починка Entetrpises Manager 11g
Шаги
1. Удалил старый репозиторй, успешно
2. При запуске создание нового репозитория, результат показан ниже:

D:Oracle11dbBIN>emca -config dbcontrol db -repos create

STARTED EMCA at 17.06.2014 11:12:45
EM Configuration Assistant, Version 11.2.0.0.2 Production
Copyright (c) 2003, 2005, Oracle. All rights reserved.

Enter the following information:
Database SID: proba
Exception in thread "main" oracle.sysman.emcp.exception.DatabaseUnavailableException: Database instance unavailable.
at oracle.sysman.emcp.DatabaseChecks.throwDBUnavailableException(DatabaseChecks.java:151)
at oracle.sysman.emcp.DatabaseChecks.checkDbAvailabilityImpl(DatabaseChecks.java:144)
at oracle.sysman.emcp.DatabaseChecks.checkDbAvailability(DatabaseChecks.java:163)
at oracle.sysman.emcp.DatabaseChecks.getDbServiceName(DatabaseChecks.java:582)
at oracle.sysman.emcp.EMConfigAssistant.performConfiguration(EMConfigAssistant.java:1272)
at oracle.sysman.emcp.EMConfigAssistant.statusMain(EMConfigAssistant.java:574)
at oracle.sysman.emcp.EMConfigAssistant.main(EMConfigAssistant.java:522)

Как можно исправить эту проблему?