I have a Sharepoint installation in domain and forest 1. Everything works fine, the site is accessble via FQDN internally and externally. We are using integrated authentication. Internally, the site is added to Trusted sites, and users can launch
IE, and directly access the the site without manually authenticating.
I am performing an AD migration to forest and domain2, and testing has thrown up a strange problem. I can migrate a user account to the new forest / domain (external trust in place). The migration process I am using updates all the relevant permisssions
On a PC that is joined to the original domain, I can log in with the new (migrated) domain account, and access Sharepoint just fine. I can still access this users site via their old account too. The problem comes when I try to access
Sharepoint from a PC joined to the new domain (sharepoint server is still in the original domain). When I do this with either user account (old domain or new domain), IE prompts for Auth. I can supply Auth, and all is OK. Alternatively, I
can move the site to the "Intranet" zone from trusted sites - or manually set the option to always send authentication in the trusted sites zone (not ideal) - and this works without the auth prompt.
I need access to the site w
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