1) Log into Service Desk Manager > Administration > Security and Role Management > Contacts > Search for the user with the problem > Click on it > See the mail address set and configure if necessary.
2) Log into USS with the user with the problem > Click on the dropdown arrow at the top right corner > My Profile > Edit my Profile > See the email address set. If you need to configure the mail address in USS, then do the following:
2.1) Log into USS Control Panel as an administrator (example: CASMAdmin) > Portal > Users and Organizations > Click on the User with the wrong email address > Change Email Address > Click on Save.
3) Log out From SDM and USS and log into the applications again. This time the announcements should be visible for the user.