I migrated a phpbb forum to Discourse and then used SSO in order to have everyone log in through our organization’s site, where they already had accounts. This worked great for those who had used the same email address to sign up for the organisation and for the forum, but not great for those who used different email addresses, they all have two accounts now (a legacy one with profile + posts, and a new one from the SSO). Is there any way to change this so that next time they log in via SSO, they find themselves in the legacy account? Ideally from the Admin panel, not commandline, because this will concern hundreds of users. Neither the user email field nor external id field seem editable…

Thanks, I was hoping that there was an easier option because I don’t need to merge accounts in 99% of cases (since the new accounts are empty and should be deleted), I just want the SSO to log them into their old accounts. Merging them, especially per the second quote, is only a far second on the preference order, especially since it would mean abandoning their old user names and settings and pushing all content into the empty SSO accounts. How does the system even know which account to log someone into? When I noticed that Discourse had created a bogus account for me, I went into the Discourse console and changed my email address there in order to try to get logged into the right account, but it still sends me to the bogus one even though the email addresses no longer match.

@codinghorror, any idea of what I’d have to change in the database so that the SSO logs them into their old accounts? Just changing the email address doesn’t seem to be enough. And is there any chance of a graphical interface for making this change, e.g. as part of the admin edit profile function?

I’d suggest deleting the account created by SSO and updating the old account with the correct email address, so that it matches the one used in your SSO system. You can do all of this in the UI.

Merge/change accounts after SSO

Product Support

gerhard (Gerhard Schlager) April 13, 2018, 10:13am 2

Unfortunately there’s only a command line option right now: Rake task for merging users

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Merge/change accounts after SSO

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