Usernames has strange names in the NK2 Cache ( outlook 2003 / exchange 2010 )

Problem that in the former nk2 file ( outlook 2003 ) you see an username with a number afterwards. ( This problem occured ina windows 2008 R2 envoirement with exchange 2010 )
To solve this issue you need to execute the following steps.

First start the Powershell for exchange 2010. enter the command: get-mailbox <username id> | fl LagencyExcahngeDN

Start ADSIedit and go to Default Naming Context ( domain Controller )

1. DC = Domain name, DC=local
2. OU = MyBusiness ( location where you stored your users )
3. OU = Users

Search the correct user and press right mouse button. > Properties > Search for the LegancyExchangeDN

Edit the legancyExchangeDN rename the name the correct way by removing the numbers.

NOTE: when done this all other users has to remove the name of that person from the mail history. Otherwise they can’t email the person you’ve changed.

One thought on “Usernames has strange names in the NK2 Cache ( outlook 2003 / exchange 2010 )

  1. This is actually the same reason for EXMon ( Exchange Monitoring ) displaying weird values in the username field , thanks good way to

    You can actually use the NK2 and start typing this legacy username and it will resolve to the contact name

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