Windows Win32 Error 0x000020BC – ERROR_DS_DUP_MAPI_ID

In this post, you’ll learn about the Win32 Error “0x000020BC – ERROR_DS_DUP_MAPI_ID” that you get when debugging system erors in Windows.

The System Error Codes in Windows is a standard computer errors that occurs on Windows PCs. The System Error are usually intended for the developers troubleshooting issues related to the messages returned by the GetLastError.

Most of these Windows Errors are defined in the WinError.h file. The description of these error codes are very general and requires some bit of analysis to understand the exact issue.

Error Message


Error Description

Schema update failed: Duplicate Message Application Programming Interface (MAPI) identifier.