Sorry, you are not allowed to share this with external users

Question

_{Tuesday, August 19, 2014 8:55 AM}

Hi All,

I have a SharePoint 2013 foundation and there's trust between tow domain and when i sync the user profile service it get the users from both domain, but when i try to add a user from domain B it gives me this error 

Sorry, you are not allowed to share this with external users

Please advice me what i can do to add the users from the other domain successfully to my site 

Best Regards

khatib7

All replies (1)

_{Wednesday, August 20, 2014 5:08 AM ✅Answered}

Hi,

If you would like to grant access to users in another domain, you need to configure authentication for external users. If you establish trust relationship between domains, the users from two domains could be granted access. Here are some references:

http://www.boostsolutions.com/blog/how-to-add-trust-domains-in-a-sharepoint-farm/

http://social.technet.microsoft.com/Forums/sharepoint/en-US/c90e1056-57b9-4817-b673-344afe357a32/authenticate-users-from-a-different-domain?forum=sharepointgeneral 

http://sharepoint.stackexchange.com/questions/15552/authenticating-users-from-another-domain

Regards,

Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected] .

Rebecca Tu
TechNet Community Support