Background: when question is migrated from site A to site B and the author doesn't have account in site B, their name will appear "gray" until they log in to site B and associate the accounts, then the avatar show and all is good. No problems here, same for answers and their authors.

Problem: if user from site A posted comments while the question was still in site A, their name will stay gray and unclickable even after they logs in and have account in site B:


This is the above question, but most likely it's global problem, not specific to that one occurrence.

  • 1
    Nick already answered this elsewhere on meta, but basically comments don't contain enough user information for us to reliably map them in all situations. Commented Feb 21, 2012 at 9:18
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    @Jeff thanks, didn't see such answer. Isn't there user ID associated with each comment? Just the raw display name? Commented Feb 21, 2012 at 9:23
  • @Haney since you added the deferred tag, any updates about this? Commented Apr 28, 2016 at 9:15
  • 1
    @ShadowWizard none at this time. It's not critical and we're slammed at the moment, but one day we hope to investigate further. :)
    – Haney
    Commented Apr 28, 2016 at 15:58
  • @Haney thanks for the honest response! Commented Apr 28, 2016 at 17:57
  • 1
    @ShadowWizard all I can be really.
    – Haney
    Commented Apr 28, 2016 at 18:08
  • 2
  • 2
    @CodyGray no. This one here got official response and a status tag, so if anything, it's the other way around. Commented Feb 9, 2021 at 8:44
  • 1
    @ShadowWizardisVaccinating Glorf and I closed it as a duplicate of this one.
    – Ollie
    Commented Feb 9, 2021 at 18:51
  • @Ollie cheers, you get a golden monkey as reward. :P Commented Feb 10, 2021 at 6:50
  • @Mast Why the unnecessary bump? Commented Oct 23, 2022 at 4:02

1 Answer 1


Here's the answer Jeff's referring to on why this doesn't happen currently:
Comments by OP on migrated question become "anonymous"

We may revisit hooking up comments in the future, but it's not a completely trivial problem (e.g. should reply to hook up as well? that's more info that needs carrying over), and won't/can't be retroactive. That being said, I do have an idea on how to take care of this in a not terribly expensive way, I'll throw it out to the team and see if it's worth it.

  • Cheers, good luck with that idea of yours - hope it will be accepted and implemented. :) Commented Feb 21, 2012 at 11:13
  • 3
    At the very least, could commenters be notified in some non-expensive way that the question is being or has been migrated?
    – Aaron Bertrand Staff
    Commented Nov 12, 2013 at 21:27
  • 1
    Three years later, any update? Commented May 28, 2015 at 21:00
  • 3
    9 years later, any update? Commented Feb 9, 2021 at 8:48
  • 10,5 years later, I don't even ask, lol. Commented Oct 22, 2022 at 17:52

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