四種DCOM錯誤的區別
Differences between the following DCOM error
0x80080005
0x800706be
0x80010105
0x800706ba 0x80080005:CO_E_Server_Exec_Failure
Server execution failed It is usually quite clear: COM (really, RPCSS) tried to launch a particular server process and either it failed to start, or it died after being started without registering (via CoRegisterClassObject), or it failed to register within a timely manner after being started (usually ~2 minutes are allowed, but the time limit can vary by server type). Repro:比如你有一個程序叫做SimpleDCOM.exe，作為DCOM服務器一切運行正常。如果你把notepad.exe改名為SimpleDCOM.exe，替代掉原先的文件，客戶端在調用DCOM的時候就會出這個錯。SOX050427700068
0x800706be:PRC_S_CALL_FAILED
The remote procedure call failed. The Server crashes before finishing the call. Repro:重現這個問題很簡單。在DCOM的方法中顯示一個MessageBox。在dismiss掉這個MessageBox，讓DCOM call返回以前，從任務管理器殺死DCOM Server，然后客戶端就會看到這個錯了。 0x80010105:RPC_E_SERVERFAULT
The server threw an exception Very straight forward, the server throws an exception. Repro:DCOM方法中直接拋出一個C++ exception就可以重現這個問題。聰明的你可能會問，為啥米C++ exception不會導致DCOM Server crash吶，那是因為: "Normally, an exception that happens in a DCOM server during execution of a method call is caught by an exception handler in OLE32.DLL, and the method call returns RPC_E_SERVERFAULT." 如果要改變這個行為，可以參考IgnoreServerExceptions這個注冊表鍵：
http://support.microsoft.com/kb/198623/en-us
0x800706ba:RPC_S_SERVER_UNAVAILABLE
The PRC server is unavaliable The server stub is disconnected. Repro:在客戶段new一個DCOM object, 暫時不使用。然后重任務管理器中殺死DCOM Server, 然后調用這個DCOM object的方法，錯誤就出來了 http://eparg.spaces.live.com/blog/cns!59BFC22C0E7E1A76!2168.entry

轉載于:https://www.cnblogs.com/zjoch/p/4367573.html

總結

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