Multiple SQL/Net TCP/IP

A>We are running Oracle SQL*Net V2 and SQL*Net TCP/IP for Windows, with
A>Powerbuilder, ERWin and MS Access clients. 
A>
A>Our problem is is that a workstation can only ever have one datatase
A>connection open at a time. Opening a second connection from Powerbuilder
A>gives an error "ORA-06107: NETTCP: ORACLE network server not found".
A>Opening a second connection from an ODBC client such as MS Access gives
A>an error "ODBC - connection to '<databasename>' failed"
A>
A>It matters not whether the second connection is from the same class of
A>client, or to the same server database. It just seems that you can only
A>have one client connection to an Oracle server from the PC.
A>
A>Is this a problen with SQL*Net TCP/IP for Windows, or is something
A>configured wrong here?
A>

It was expained to me once that you can only have one connection from a Windows SQL*Net client because Windows is not a true multitasking environment.     

...gary

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