The following users do not have email address specified
Faced the issue with one of My UAT users. Says that they get the error message below while configuring alerts.
Error: The following users do not have email address specified.
Problem Description: Unable to set alert on a list for single or multiple users.
Cause: Below are the possible causes for the issue:
User doesn’t have the mailbox assigned in AD.
User's profile was imported to SharePoint before he got assigned to mailbox.
User’s profiles are not updated in SharePoint even though everything is setup up correctly in Active Directory and in Exchange
See more at: http://expertsharepoint.blogspot.de/2013/11/error-following-users-do-not-have-email.html