SAP R/3安装 WITH ORACLE10R2

edward0

高手们，请教一个问题，我在我的XP上安装SAP R/3 IDES，到了检测数据库的时候就报错：没有安装数据库。
可是我的机器上已经安装了ORACLE 10.2.0.4，为何SAP却检测不到呢？
请教这个问题如何解决？
安装过程中的SAP SYSTEM ID、DATABASE SYSTEMID都需要填什么内容？
谢谢大侠们。
下面是LOG的内容：
INFO 2009-07-02 15:34:56
Processing of host operation t_HostInfo_SHARED succeeded.
INFO[E] 2009-07-02 15:35:22
The file system export (share) saploc does not exist.
ERROR 2009-07-02 15:35:25
MDB-06168  Oracle is not installed on this host. Install Oracle before continuing!
ERROR 2009-07-02 15:35:25
MDB-06019  Internal error: Unknown exception.
ERROR 2009-07-02 15:35:25
FJS-00012  Error when executing script.
ERROR 2009-07-02 15:35:25
FCO-00011  The step dialogGetCommonParams with step key SAPSYSTEM|ind|ind|ind|ind|ind|0|SAPComponent
|ind|ind|ind|ind|ind|0|DatabaseSystem|ind|ind|ora|ind|ind|0|DatabaseCommonParameters
|ind|ind|ora|ind|ind|0|dialogGetCommonParams executed with status ERROR.