microsoft / microsoft/MAPIStubLibrary

Mapi init failure 0x80004005 on Arm64 computer

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Dominant language
C
Stars
37
Forks
24
Avg merge
2d 8h
Merged PRs (30d)
5

Description

My app's architecture is Arm64, Outlook's architecture is Arm64X. Mapi init always fails with error 0x80004005 in my app. Is this a known issue or a limitation?

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No files, tests, or entry points are named. Start by tracing MAPI initialization for an Arm64 app with Arm64X Outlook and compare the supported architecture combinations; done means determining whether 0x80004005 is a known limitation or identifying a reproducible fix or documented workaround.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
api
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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