I tried to migrate my discourse instance to a new server, and restore via UI and CLI fail during restore operation. It has to do with S3 migration. I also had these settings enabled in rails console SiteSetting.migrate_to_new_scheme = true Jobs::MigrateUploadScheme.new.execute(nil) The relevant…

That’s a known problem. As a workaround, you could temporarily disable the enable_s3_uploads site setting before creating the backup. You can re-enable on the new server after the restore.

Restore from backup fails due to S3 migration

Support

pfaffman (Jay Pfaffman) September 2, 2019, 2:15pm 2

There is a similar report of you search. I think the solution was to turn off S3 uploads when you restore?

Topic		Replies	Views
Restore from a Backup Support	4	625	June 16, 2020
Unable to migrate to S3, therefore unable to restore from backup Installation	3	1146	April 8, 2022
Unable to restore from S3 backup - Fails Support	5	37	March 20, 2025
Restore failed at "EXCEPTION: x of y uploads are not migrated to S3. S3 migration failed for db 'default'." Installation	4	1002	June 10, 2022
Restore to New Host Support	2	508	March 2, 2022

Restore from backup fails due to S3 migration

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