5

Some of our users are getting this exception sometimes (not for every contact):

System.Runtime.InteropServices.COMException (0x800706BE): 
   The remote procedure call failed. (Exception from HRESULT: 0x800706BE)
   at Microsoft.Office.Interop.Outlook._ContactItem.get_LastName()

This happens when we're trying to get the last name of a contact (of the ContactItem type).

Does anybody know what the problem is?

Any help would be appreciated. Thanks!

TheVillageIdiot
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Alex
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2 Answers2

11

It is a Windows error, facility code 7. The last word gives the Windows error, 0x6be == 1726:

// MessageId: RPC_S_CALL_FAILED
//
// MessageText:
//
// The remote procedure call failed.
//
#define RPC_S_CALL_FAILED                1726L

Interop with Office programs like Outlook happens through out-of-process COM. RPC is the low-level Remote Procedure Call mechanism. There are several reasons for such a remote call to fail. Both the error code and the error name google well.

The simplest explanation is just that Outlook fell over. That happens. The advantage of in-process interop is that when the host program crashes then it will take out your code as well. Not in an out-of-process scenario, you just get a hard to diagnose error. Ask your customer's IT staff to use their typical Office troubleshooting strategies.

Hans Passant
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  • If you got here because of Excel Interop it is probably because of "FoxitReader PDF Creator COM Plugin" see : https://stackoverflow.com/a/44639653/4645236 – M Y Jun 22 '17 at 14:15
-1

set the full access to Network Services (or identity of apppool) to the folder C:\Windows\System32\config\systemprofile\AppData

Regards! Gabriel from Argentina

Gabriel
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