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Duplicate Leads Automatically Being Created in Marketo - Possibly from Microsoft Dynamics

Question asked by Julie Colwell on Mar 1, 2018
Latest reply on Mar 2, 2018 by Grégoire Michel

Hi All,

We have an integration with Microsoft Dynamics (MSD). When people get synced to MSD it creates one or more duplicate persons in Marketo and MSD without an email address. In the person activity, the duplicate record says it was created from a Form Fill Out but the form source says <unknown>.  We've reached out to support and they can't find the <unknown> form.


We've come across a couple of thoughts:

  1. There is hidden campaign is causing duplicates to be created
  2. The duplicates are being created from an MSD workflow (although the create date is first in Marketo is earlier than the create date in MSD)


Has anyone ever come across this before? Any insights would be greatly appreciated!