python - I can not read MSSQL 2008 DB when I create an executable file with py2exe -

i using python 2.7 , mssql 2008.

> python ecrosssnd.py ----> success 

running executable via py2exe not read db. why?

error connect ms-sql
lib error message 20009, severity 9: \ nunable connect: adaptive server (db2connect (84)] warning ().