Hi, as far I know, Windows Terminal server 2008 R2 is not a supported plattform for a Lotus Notes client
But one of our customer has chosen this platform and the client seems to work well, except for a few things. One, and the most important, is that they are not able to send mail from Word or Excel to recipients using Lotus Notes as mail client
Lotus Notes is defined as standard mail system
I have tried this:
Someone who has a solution without changing mailsystem ?
Subject: Finally I found a solution
When I tried to send mail from Powerpoint, id did not find the file named MSVCR71.dll
I found this:
To locate the file on your system, issue this command from a command prompt at the root drive:
dir /s .*
Example: dir /s MSVCR71.*
A list of directory paths containing the file w…See moreA list of directory paths containing the file will appear. Place one of the paths into the system path (although preferred, it does not have to be a Domino related path). Then re-run the Domino install.
Supporting Information:
Checking the System Path variable:
From the Windows Desktop, right-click My Computer and select Properties.
On the Advanced properties tab, select Environment Variable.
In the System Variables box, Select “Path” and select Edit.
In the Variable Value field append a directory path containing the file in the error message and select OK.
Solved !
Now, the customer can send mail from Office using Lotus Notes client 
Subject: Might be a problem of incompatible bitness of MAPI provider