I have Oracle 64bit client installed to run with my weblogic application. I learnt that plsql developer doesnt work with oracle 64bit client so now i have both 32. You will need to install a 32 Bit Oracle Client. PLSQL Developer is a 32 Bit application, so it cannot interface with a 64 Bit Oracle Client. Hi, is there a plan to create a PLSQL Developer 64 bit Iam working on Windows 7 64 and Oracle 11i R2 64 bit. Many thanks and regards Friedhold. PLSQL developer with oracle 3. Youll need to install the two clients into separate Oracle Home locations, for example Ive gone for C Oracle. Home and C Oracle. Home. 32. Then set up an Environment Variable, called TNSADMIN with the folder that contains your default TNSnames. Pl Sql Developer For Windows 7 64-Bit' title='Pl Sql Developer For Windows 7 64-Bit' />C Oracle. HomenetworkadminKeep your preferences in PLSQL Developer, and make sure you also specify the OCI library mine is C Oracle. Home. 32oci. dllFinally, using regedit. ORACLE HKEYLOCALMACHHINESOFTWAREORACLE. Ive called mine KEYOra. Client. 11ghome. KEYOra. Microsoft Photo Draw 2000 V2 here. Client. 11ghome. Create the same 4 strings in the second key, with the appropriate changes to the data e. ORACLEHOME should have C Oracle. Product Key Of Gx Works 2. Home. 32 as its data field in my exampleRestarting all applications should now let you use PLSQL Developer seamlessly, whilst also defaulting to the 6. Oracle home for your weblogic application. Installshield 11 Download more.