I have a little problem with some users showing up in the NDS tree with
a yellow question mark icon next to their names. I can’t perform any
administrative functions with these accounts. From what I have found in
my research is that the solution for this is to delete these objects and
recreate them.

The problem is that these users have Groupwise accounts and if I delete
the objects their Groupwise accounts disappear along with all of their
mail. Is this correct? What would be the best way to restore these
objects to their former working state and retain all of their mail?

This is a NW 6 sp4, GW 6.5.5, Edir 8.7.1 system.