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Prompt

permissions are broken after migrating the file server

Technology / Cloud Infrastructure1 observationLast seen Oct 12, 2026

Latest observation

Oct 12, 2026OpenAI APIWeb search: off

It sounds like the migration likely changed either the ownership, ACLs, or the identity mapping on the new file server.

To help narrow it down, can you tell me:

  1. What kind of file server was migrated? (Windows SMB, Linux/NFS, Samba, NAS, etc.)
  2. What exactly is broken?
    • users can’t read/write
    • permission inheritance changed
    • files show the wrong owner
    • access denied for everyone
  3. Were permissions preserved via:
    • copy/robocopy/rsync
    • backup/restore
    • storage-level migration
  4. Any errors or examples of a path that’s failing?

Common migration causes:

  • NTFS/ACLs not copied
  • UID/GID mismatch on Linux/NFS
  • SID/AD identity mapping issues on Windows/Samba
  • Share permissions reset while NTFS permissions stayed
  • Inheritance not preserved during copy
  • Ownership changed to the migration account

If you want, I can help you troubleshoot it step by step if you share:

  • source and destination OS/storage type
  • one example path
  • what permission you expected vs what you see now

Observation history

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