1.    02 Nov 2015 #1
    Join Date : Nov 2015
    Posts : 2
    Win 10 Pro

    Created MS account, joined to domain, cannot sign on as MS account

    I just got a Surface Pro 4. I signed into it with my Microsoft account, and later joined it to my work domain. I wanted to use Cortana with Office, so I tried starting it up. It prompted for a Microsoft account, I entered my existing one, and it says "another user on this device uses this Microsoft account, so you can't add it here."

    I was able to delete the local account signed in as my Microsoft account via Accounts, but I still got that error trying to join the domain.

    I rebooted, the error persisted.

    I ran netplwiz and deleted the local account there as well - the same issue recurred.

    I rebooted again after the netplwiz delete - the same issue recurred.

    Anything else I need to do in order to sync Cortana to my MS account while joined to the domain?
      My System SpecsSystem Spec

  2.    02 Nov 2015 #2
    Join Date : Jan 2015
    SoCal, USA
    Posts : 463
    Windows 10 Home and Pro

    See if removing trusted devices helps: Trusted devices: FAQ - Microsoft Help

    I think there is somewhere where you can remove individual devices associated with your MS account, so see if you can find it via the link I gave you.

    And I do believe you are supposed to join the MS account to the local account after it has been added to the domain, not the other way around. That is because the local account becomes a MS account, but if you are on a domain, the local account becomes a domain account, and you just connect the MS account to it, it doesn't actually become a MS account while connected to the domain.

      My System SpecsSystem Spec

  3.    02 Nov 2015 #3
    Join Date : Nov 2015
    Posts : 2
    Win 10 Pro

    Actually, in the end I just searched in regedit for the email I used for my Microsoft account, exported the key, and deleted it. I was then able to add it back. The key in question was HKEY_USERS\DEFAULT\Software\Microsoft\IdentityCRL\StoredIdentities\email@domain.com. Deleting the email@domain.com key did the trick.
      My System SpecsSystem Spec


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