C#下同时操作oracle,Sqlserver采用分布式事务
oracle 库有一表A,B(该表有一字段Conn_str，保存的是sqlserver的连接字符串，虽然是独立的数据库，但是有同名表C，且数据结构相同)，要求如下 在A表中，新增一条记录，要求在B中查找出符合条件的记录，取字段Conn_str的值，在表c中也添加一条记录。 同理，表
oracle 库有一表A,B(该表有一字段Conn_str，保存的是sqlserver的连接字符串，虽然是独立的数据库，但是有同名表C，且数据结构相同)，要求如下
在A表中，新增一条记录，要求在B中查找出符合条件的记录，取字段Conn_str的值，在表c中也添加一条记录。
同理，表A中 更新、删除，那么表C中也要执行同样的操作。
oracle sqlserver都是远程数据库。
为了数据同步，才有分布式事务，请问高手思路有错吗？
如果没，报错 该伙伴事务管理器已经禁止了它对远程/网络事务的支持。 (异常来自 HRESULT:0x8004，采用网上的办法，无法解决这个问题。
我本地的DTC 配置，看截图
如果思路错了，请问该怎么解决？或者有更好的办法，请指点1,2
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