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Lead Creates Duplicate Contacts

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Posted on by HC-16032012-0

I'm having a problem when creating a new lead with an existing contact.

The auto-detect feature asks me to merge this new lead with an existing lead if they share the same contact. Otherwise, I have to choose /Ignore and Save/, which would create a duplicate contact.

How to stop lead from creating duplicate contact in this situation?

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Dengliang Li Microsoft Employee on at

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Hi,

You can see the system predefined duplicate detection rules for the lead entity in Advanced Settings -> Data Management -> Duplicate Detection Rules.

If you haven't added a custom duplicate detection rule for the lead entity, the duplicate detection rule you are experiencing should be this one.

This duplicate detection rule detects only the Email field of the lead entity and detects if there are lead records with the same email address.

In the test, duplicates were automatically detected for lead records with the same email address, regardless of whether they had the same existing contact.

Therefore, this detection rule is contact-independent and does not create duplicate contact records.

If my answer was helpful, please click Like, and if it solved your problem, please mark it as verified to help other community members find more.
If you have further questions, please feel free to contact me .

Best Regards,
Dengliang Li

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Dengliang Li Microsoft Employee on at

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Hi,

Has the issue been solved?
Have there been any updates? Please feel free to ask me if you have any questions!
If it has been resolved, can you mark the response as an answer?

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Amit Katariya007 10,409 Super User 2025 Season 2 on at

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Hi User,

Can you check existing duplicate detection rule? Because this will shown if system will have the same contact record with same email id or any other field which is mentioned in duplicate detection rule. You will have 2 options either merger it or ignore and save. Ignore and save will create a new contact with the input details. And merger will make sure to merge 2 contacts in to 1.

Thank you,

Amit katariya

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