EP installation error

hi, been trying to install ax 2009 EP but encountering this problem (see logs).

An error occurred during setup of Role Centers and Enterprise Portal.
Reason: Dynamics Object Adapter Call failed.
=== Rolling back setup of Role Centers and Enterprise Portal due to error ===
Launching MSI: /i “D:\AX2009\Msi\Components64\Components64.msi” /qb-! /l*v “C:\ProgramData\Microsoft\Dynamics AX\Dynamics AX Setup Logs\2010-12-02 08-25-28\Components64 Rollback Log.txt” DIRECTEXECUTE=1 SETUPLANGUAGE=EN INSTALLDIR=“C:\Program Files\Microsoft Dynamics AX\50” INSTALLDIR32=“C:\Program Files (x86)\Microsoft Dynamics AX\50” ADDLOCAL=“EnterprisePortal,NetBusinessConnector,ClientConfig” REMOVE="EnterprisePortal"
=== Rolling back setup of Role Centers and Enterprise Portal due to error ===
Rollback of === Rolling back setup of Role Centers and Enterprise Portal due to error ===

Please let me know if any one has a solution for this.

with regards,

hari valla

hi,

Please reply me,

harivalla