How to change Service Desk Customer's email address

[Joanne Shovelton]

One of my Service Desk customers has changed his email address and is unable to change it on his profile, as am I. Is it even possible?

Thanks,

Joanne

[Raynard Rhodes]

Are these internal users or are they pulled through LDAP/Active Directory?

[Joanne Shovelton]

They are just internal Service Desk users, my customers, not part of my team.