Codeswamp

Codeswamp is a database of error codes generated from the original sources (e.g. header files) and this page was generated from it. I hope you find it useful.
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Value: 0x801901a1

This table shows the most common 32-bit representations of this value.
Type Value
Hex 0x801901a1  
Signed 2149122465  
Unsigned -2145844831  

Matching Symbols

This table lists the symbols that exactly match the value.
Symbol Description
HTTP_E_STATUS_EXPECTATION_FAILED
 Expectation failed (417).

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Resources

Interested in learning more about COM and HRESULTs? Don Box's excellent book not only guides you on how to implement client and server code, it also gives you a behind-the-scenes understanding of COM, all the way from RPC to DCOM. Definitely a worthy investment for anybody developing or mainintaing software with COM interfaces!

Essential COM by Don Box
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