Do a search for that contact by searching by email address (use the word
wheel), then right click the contact, click on edit contact, underneath
their email address there is a tick box that says to use this contact
for messenger as well.
Scøtt
Live Messenger FAQs -
http://wlm.scottisafool.co.uk/
E wrote:
> I inadvertently removed a contact from Windows Live Messenger (8.0.0792.00).
> When I try to re-add them, I get an error:
>
> You have previously added a contact who uses this instant messaging address.
> A contact's instant messaging address must be unique.
>
> It seems that Messenger must be keeping some data around but I cannot find
> it.
>
> I have tried restarting Messenger and still cannot re-add the contact.
>
> Any thoughts?
>
>
> Eric VN
>
>