PSEO 8.11 and AIX 5.3

Hi list,
As anyone experience installing PSEO 8.11 on AIX 5.3 ?
What about WebSphere 5.0.2 and AIX 5.3 ?

Best regards,

Didier Quimerch
Coopagri Bretagne
JDE ERP8 SP21 L1 - AIX 4.3 - WebSphere 4.0