Story perspectives

Microsoft restores File History in Windows 11 preview update

By Drooid · Sep 23, 2026, 10:30 PM UTC · How we work

Summary

Story summary

Microsoft released an optional Windows 11 preview update that restores File History in the United States.
The 2026-09 Preview Update KB5124010 became available on September 22, 2026.
Windows 11 25H2 receives KB5124010, while Windows 11 26H1 receives KB5124006.
The preview fixes the “Reconnect your drive” alert and stale “Last backup” timestamp introduced by September 8, 2026 security update KB5124008.
Microsoft says a permanent fix will arrive in the October Patch Tuesday rollout.

1 of 1

Story summary

Microsoft released an optional Windows 11 preview update that restores File History in the United States.
The 2026-09 Preview Update KB5124010 became available on September 22, 2026.
Windows 11 25H2 receives KB5124010, while Windows 11 26H1 receives KB5124006.
The preview fixes the “Reconnect your drive” alert and stale “Last backup” timestamp introduced by September 8, 2026 security update KB5124008.
Microsoft says a permanent fix will arrive in the October Patch Tuesday rollout.