importing users from AD creates clones

importing users from AD creates clones

I had imported users/requesters from a csv file in version6 and now enabled AD and imported users. because of the username and password field containing data now I have duplicates for every user.
One with log on information and one with assets bound to them.
Can I merge these some how?
talking about 500 users I don't really want to reassign assets to all of them.

This is in a test environment, so I'm not worried yet.

If in the future when fields are added in AD like email, will this generate duplicates when I import again?






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