Hello

We have a user with e-mail (exchange 2k3).

We made a new user for him and added the primary SMTP-address of his old
user as an alias to his new user. The problem is that many users have his
email cached in Outlook, so when they start typing his name in the TO-field
his name pops up and they select it. That mail is then delivered to his old
account and not to his new one. If they look him up in the address list it's
delivered to his new users.

His old user is disabled and hidden from exchange address list.

Any suggestions on how to fix this?

Regards
Per-Torben Sørensen