Microsoft Intune Graph API - commitFileFailed Error After Successful API Calls

Issue Summary

Problem: commitFileFailed errors during .intunewin uploads via Graph API

All Graph API calls succeed (HTTP 200/201) including:

1. App creation, content version, file entry
2. Azure Storage upload with proper validation
3. Commit API call (Request ID: 3362aae2-747c-4dd2-84a0-2bbb587965a3)

Key Details

• File: putty-0.83-installer.intunewin (3,064,190 bytes)
• Tool: Microsoft Win32 Content Prep Tool v1.8.7
• App ID: db9f593e-9ec0-4191-b06b-8414ed81841f
• File ID: 1baeaea5-642f-4ade-aa70-beffb0589368

Issue: Microsoft's backend processing fails with uploadState: "commitFileFailed"

Timeline

October 24, 2025

• 17:30:27 UTC - Content version created
• 17:30:28 UTC - File entry created
• 17:31:25 UTC - Commit API returns HTTP 200
• 17:31:43 UTC - Backend shows commitFileFailed

FileEncryptionInfo Payload

{
  "fileEncryptionInfo": {
    "encryptionKey": "pjej4QHNtXNufstQFRThg19DouxhTqY76MS9+BLMkb8=",
    "macKey": "PVNymN9sYP+BDY8rzAaYhHnR603togMd3lFVNCTZDcc=",
    "initializationVector": "HjknNQrYSzbCDTpLJHybtA==",
    "mac": "yGCYpy+gVmtphOguhQ4DpW6KaJdpeecbz1y85L+cP/I=",
    "profileIdentifier": "ProfileVersion1",
    "fileDigest": "/WtiXvFuBAyPnQNzIsRcu+1lyx1xLncDh0xy87ifWl0=",
    "fileDigestAlgorithm": "SHA256",
    "@odata.type": "microsoft.graph.fileEncryptionInfo"
  },
  "size": 3064190,
  "name": "putty-0.83-installer.intunewin"
}

Questions

1. Can you provide internal error logs for Request ID 3362aae2-747c-4dd2-84a0-2bbb587965a3?
2. What backend validations cause commitFileFailed after HTTP 200 commit response?
3. Are there undocumented fileEncryptionInfo requirements?

Requesting an assistance in Microsoft backend processing failure