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@Zahorone
Last active February 14, 2026 17:56
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Fix for macOS 26 Tahoe Time Machine SMB backup failing with BACKUP_FAILED_DISCONNECTED_DISK_IMAGE error on Synology, QNAP, TrueNAS, UNAS. nsmb.conf configuration guide.
[default]
signing_required=yes
streams=yes
soft=yes
dir_cache_max_cnt=0
protocol_vers_map=6
mc_prefer_wired=yes
@Zahorone
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FYI for Ubuntu users, updating to Ubuntu 26.04/resolute gives you a version of Samba (4.23.x) that is patched for this issue.

Thank you for info.

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