SYS connection to a windows database

[gma]

Hello,

We can't connect the database when we try to connect to a Windows database with the user 'SYS' in SYSDBA or SYSOPER mode.
We have no problems when we connect an UNIX database.

What is the problem ?

Thank you for your response.

Guillaume

 

[Marco Kalter]

What exactly goes wrong? Any error messages?