No, the Exchange server has no control over client UI. This would require that an Outlook add-in be developed and installed on each client computer.

--
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/article.aspx?id=54

wrote in message ups.com...
I would like to have an Aert pop up window open when I click the Reply
to All Button. Also can this be done on the exchange server to make
this happen for all users on the network??

Mike Taylor