We had a request to Set- up an email address for a new starter. We created it. Next day one of my smart colleague decided to delete user account from AD. To cover it up he recreated an account with the same name.
Now the problem we have is for the users who have cache enabled in outlook, cant send an email to new user. They are getting error message "The e-mail address you entered couldn't be found."
Users who don't have cache enabled can send it.
It has been more than two days we still have the same problem. Can you please assist in fixing this issue?