HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSDTC\MTxOCI 处的注册表设置是否正确：
- 对于 Oracle 10g，正确设置为
- OracleOciLib = oci.dll
- OracleSqlLib = orasql10.dll
- OracleXaLib = oraclient10.dll
- 对于 Oracle 9i，正确设置为
- OracleOciLib = oci.dll
- OracleSqlLib = orasql9.dll
- OracleXaLib = oraclient9.dll