Customers could require assistance to upgrade using a documented procedure for Oracle 11G and DRA 6.0 from DRA 5.4 running on Oracle 10g .
Upgrade requires a mandatory procedure
Make sure there is at least 60 gigabyte of free disk space on the target installation partition (drive).
It is recommended to install Oracle not on the OS disk drive.
DRA 5.4 / DRA 6.0
Oracle 10g / 11g
Windows Server 2008 R2 64 bit