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We have a custom dynamics portal, but we are using the OOTB registration process.
We've come across an issue where we are able to use an email address more than once for registering users. Obviously we don't want different users with the same email address. The strange thing is that this is only happening with a selected number of email addresses (only 2 at the moment) which means we are not able to replicate it.
Note our CRM instance is on-premise.
Any suggestions/ ideas?
Any chance that one of the duplicates has been deactivated? We've seen that before where someone deactivates a contact, which I believe means that the email address becomes available again.
Unfortunately this is not the case. All the contacts are still active.
I went and deleted the all contacts with affected email addresses and now all of a sudden the issue is resolved for the 2 email addresses we identified.
My concern is because we can't replicate it we are at risk of this happening again.
That is odd. Wondering if it was perhaps a caching issue, or a case where someone was able to submit two registration submissions simultaneously.
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