Windows Server MSDTC service出现了Event ID 4156错误，message：RPC raised an exception with a return code RPC_S_INVALIDA_ARG.
The 4156 event typically happens when a session from a DTC to its partner DTC is getting established. The code always attempts to bind using Mutual Authentication to establish a secure session. If secure negotiation fails it will try unsecure binding if Mutual Authentication is not required. The attempt to try Mutual Authentication generates the 4156 event, however the immediate unsecure retry succeeds.
可以尝试的解决方法：在DB服务器和应用客户端 [Both DB server and application client server/PC]，DCOM组件进行如下设置：