Windows Compact 7- Sql Server Client error (WT41N terminal)

I am programming an .Net application on WT41N0 teminal with Win CE7 to connect to SQL Server express 2014.

This application on WT40 old (Win CE5) runs OK,

but with WT41N the Connect operation shows an exception error.


I am using VS2008SP1 +  Motorola PSDK for WT41.

The dbnetllib.dll, I copied manually from C:\Program Files\Microsoft SQL Server Compact Edition\v3.5\Devices\Client\wce500\armv4i.


Please, I need help ti resolve this connection error.


Thanks in advance for your help