thenk HeavyUser
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MSSQL = 2018 on OS win7 32bit
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my application on OS win64 bit
I test
Protocol = 'FreeTDS_MsSQL-7.0' and Protocol = 'msql' with :
sybdb.dll 32 and 64
ntwdblib.dll 32 and 64
dblib_2008 32 and 64
after chinge Protocol = 'FreeTDS_MsSQL-7.0' to Protocol = 'msql' show mes 'access violation'