32bit native dll and 64bit jdk

is it possible to use 32bit native dll with 64bit jdk5 and 64bit win2003?
i am trying to use mlib_jai.dll and i think i copied it ot the right place, still i get message that it isn't available. my only gues is that it is related to 32/64 bit isuses, as mlib_jai.dll is comppiled with 32bit compiler. it works on 32bit windows and jdk1.4.
any ideas?
dario

Hi,
Yes you can run your 32 and 64-bit applications side by side. You will need to install both the 32 and 64-bit oracle client as well as the required data access driver for each application in separate oracle homes. The only gotcha is if these applications are running as a hosted applications within IIS, you will need to be sure you are on a version of IIS that allows you to configure separate application pools for 32 and 64-bit worker processes. i.e IIS 7.0. IIS 6.0 allows you to configure worker processes for 32-bit on x64, but it has to be one or the other. You cannot use both at the same time. See the following: http://support.microsoft.com/kb/894435. If you are running IIS 7 then you can configure separate application pools for the 32 and 64-bit apps. If you are running IIS 7 then its easy to configure the application pool for your 32-bit hosted app to enable 32-bit support by setting a property of the app pool.
HTH
Jenny

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