After updating to 25.10.1 from 25.04.2.6, the SMB service is no longer able to start from the UI. The error produced is: [EFAULT] string indices must be integers, not ‘str’ I have disabled all SMB shares in an attempt to troubleshoot but the error is still produced when starting SMB from the UI. H…

Thanks. Read through the notes there. Solution was: Analyze output of midclt call datastore.query sharing.cifs_share | jq Identify entries that do not have base64(?) encoded string in cifs_share_acl - items that look like “S-1-1-0:ALLOWED/0x0/FULL” are bad now In Shares UI, edit Share ACL on the…

25.10.1 - Error when starting SMB service - [EFAULT] string indices must be integers, not 'str'

TrueNAS General

ABain January 13, 2026, 4:19pm 2

See details in the forums release notes: 25.10.1 - 2026 January 2

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25.10.1 - Error when starting SMB service - [EFAULT] string indices must be integers, not 'str'

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