Yes, he definitely needs both. One is TDP for Exchange Server, one is
for TSM Client. Both of them must be registed on TSM Server.

On Apr 1, 2005 9:48 PM, Stapleton, Mark <mark.stapleton AT berbee DOT com> 
wrote:
> From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On
> Behalf Of Joe Crnjanski
> >If I have an Exchange server, and I'm backing up only exchange
> >database,
> >no file backup; do I need TDP license plus server license, or just TDP
> >license.
>
> Being that you cannot run TSM for Mail (Exchange) unless you install the
> TSM client as well, I suspect you'll need to license both. Talk to your
> Tivoli reseller; they should be able to tell you.
>
> --
> Mark Stapleton (stapleton AT berbee DOT com)
> IBM Certified Advanced Deployment Professional
> Tivoli Storage Management Solutions 2005
> Office 262.521.5627
>