We have successfully setup an ADFS 2.0 Federated Web SSO between two different AD forests and SharePoint 2010. Users from the external domain are able to authenticate upon SharePoint portal. The claims pass-through used are “E-Mail Address”
(mapped to email address) and “Token-Groups – Unqualified Names” mapped to “Role”. Everything is fine, when external user login, they see their email address as the account name.
Now the problem comes, when they create their "My Site" personal page, the user account is transformed to something like "i:firstname.lastname@example.org". When they upload files or something else, the account name shown is "i:email@example.com".
Is there a way to change the account "i:05.t|adfs.." to go back to normail email address ?
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