The banned-on-SO and repeatedly deleted tag reappeared after a question from Web Apps SE was migrated to SO.

As of a few minutes ago, there were only six questions with the tag, so I just retagged them, and the tag should thus disappear again after batch processing tonight.

If an admin is bored, I propose adding an enhancement to the migration process that strips questions of tags banned on the target site, and/or notifies the user(s) migrating the question of the conflict.

  • That was migrated a while back
    – random
    Jun 16, 2011 at 16:48
  • I don't understand your point. Does the current migration process already handle this? Jun 16, 2011 at 16:49
  • 1
    Yes, yes it does. Migration does strip tags, you can read up on it here.
    – Grace Note StaffMod
    Jun 16, 2011 at 16:55
  • Thank you for the info. My search-fu failed when I was posting this question. Jun 16, 2011 at 17:03

1 Answer 1


As of February 2011, the migration system strips tags. It specifically removes tags which are not present on the target site. As by definition, blacklisted tags will not exist, any blacklisted tags will be stripped on migration.

Your example, as pointed out by random in the comments, was migrated prior to the instantiation of this new system.

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