Can't leave copy of message on server

[Grreg]

Hi,

I run Outlook 2002 on 2 computers so I can retrieve the
same e-mail from both. When I check the box
to "leave a copy of message on the server" (Tools >
Send/Receive Settings > Define Send/Receive Groups > Edit
Account > Account Properties > Advanced tab, then Delivery
at the bottom), it unchecks itself when I
exit Outlook. It happens on both computers. Any help is
appreciated.

TIA, Greg