comexception – Make Me Engineer

how to solve Exception:Call was rejected by callee. (Exception from HRESULT: 0x80010001 (RPC_E_CALL_REJECTED)) in C#?

May 29, 2023 by Tarik

I ran into this same error being thrown when I deployed my application onto a machine without a fully activated and licensed installation of Excel. I spent hours trying to diagnose the issue. Make sure you check your Office installations to make sure they are complete.

Automating Office via Windows Service on Server 2008

September 3, 2022 by Tarik

I’ve had problems automating Office from a Windows Service under Windows Server 2008, even though that works fine under Windows Server 2003. The problem also occurs at the Open call, so it may be the same problem. I tried following the advice given by H Ogawa in this MSDN thread, and it seemed to work. … Read more