Restrict the portal from creating new contacts

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Posted on by Peragin

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Hi all,

All our portal users are on AzureAD and we only want users who already have a record in the contact table to be able to access the portal. We want AzureAd to be the only allowed method of authentication and so it is the only one enabled and set to default, this works well where the user exists in the contact table (it is matching on email and creating the external identity relationship from this). However, if the user is not found (no match on email), then the portal (SYSTEM user) creates a new contact. Is there anyway to block the portal from creating this new contact record and instead telling the user this service is not accessible - we are not too bothered if the error message is not pretty, we just don't want contacts created.

Thanks in advance.

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Atmaram90 126 on at

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you can disable the registration of new user that way contact records would not be created. To disable login update this site settings as false.
Authentication/Registration/Enabled

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Peragin 160 on at

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If I do that it won't allow me to authenticate, I assume it is preventing the creation of the external identity record.

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Atmaram90 126 on at

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Can you check what are the values of these settings
Authentication/Registration/ExternalLoginEnabled
Authentication/Registration/AzureADLoginEnabled

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Peragin 160 on at

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Thanks for the response but no joy with that. I changed to settings as below, syncd the site and purged the cache but still get the Registration has been disabled screen. Switching Authentication/Registration/Enabled back to true allows me to login again but if no contact record is matched on email, it will create a new record as per the original problem.

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edsonleo03 2 on at

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Hi @KH_2437,

Were you able to solve this problem? I'm facing the same issues and I cannot find any answer.

Any advise would be helpful, thanks in advanced.

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AsaurdiffADTill 125 on at

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Found myself in the same situation. I have Dual-Write setup on my tenant and do NOT want Power Pages to creating contacts that haven't been vetted in our D365 area first. When it creates a contact, it forces many other line items to be created that create bad data on our D365 side.
Does anyone have a solution to this? I am currently thinking of creating a 'check' process that will determine if the new contact should be deleted, but who know what that will do to future projects down the road.

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