Add LegacyExchangeDN as an x500 address on an Exchange 2010 mailboxes.

Hi all,please help. I have a CSV file. two columns. Column A is the LegacyExchangeDN attribute  want to add as an X500. Column B is the DN of the object whose mailbox I want to add the x500 .How do I do it?   I have attached the CSV file.

Exchange 2010 SP3.
matchedUser.csv
akinsoAsked:
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akinsoAuthor Commented:
thanks. worked a treat.
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