Dynamics 365 - Unable to find Active Directory object for SID?

Few months ago, my company decided to change the domain .

We've built a Console application to do the necessary changes. Unfortunately, we hit 1 error while trying to change the domain. The system throw us an error " Unable to find Active Directory object for SID".

Root Caused

- Duplicate replication of the same user in more than one domain controllers.

- This problem creates an object in foreign security principals container with a prefix as 'CNF' for the object guid.

Solution

- using the user SID and find the duplicate object in foreign security principals container and delete it.

I hope this will save you some time and Happy CRM-ing.