Dick, metalink note points to 557855.1, although for solaris it could very well be your issue. but note also says it can happen on any platform if your trace matches. Raj On Wed, Jun 11, 2008 at 10:16 AM, Goulet, Dick <richard.goulet@xxxxxxxxxxxxx> wrote: > TNS-12537: TNS:connection closed > > TNS-12560: TNS:protocol adapter error > > TNS-00507: Connection closed > > IBM/AIX RISC System/6000 Error: 29: Illegal seek > > >