Sql Native Client 10.1 «No Login»

Provider=SQLNCLI10;Server=myServer;Database=myDB;Uid=myUser;Pwd=myPass;

Provider=SQLNCLI10;Server=myServer\instance;Database=myDB;Trusted_Connection=yes; sql native client 10.1

// CoCreateInstance for SQLNCLI10 provider hr = CoCreateInstance(CLSID_SQLNCLI10, NULL, CLSCTX_INPROC_SERVER, IID_IDBInitialize, (void**)&pDBC); if (FAILED(hr)) return 1; if (FAILED(hr)) return 1

// Set connection properties (simplified) DBPROP InitProps[2]; // ... set server, db, auth ... // ... set server