Hi *SMers
I'm trying to install TSM for Mail 6.1.1 on a Microsoft Exchange 2007 MSCS CCR 
environment.
Before I start here is my information.

TSM Server 6.1.2.1 on a RHEL 5.3 64_86
TSM BA Client 6.1.0.0
TSM for Mail 6.1.1.0
Windows Server 2008 SP2 x64
Exchange Server 2007 SP2

This is all my nodes
Q NODE:
MSEXCH01 <-- BA Client Node
MSEXCH02 <-- BA Client Node
MSEXCH01_VSS <-- DSMAgent Local Node
MSEXCH02_VSS <-- DSMAgen Local Node
MSEXCLU01 <-- TDP Cluster Node
MSEXCLU01 <-- Offload Cluster Node

Q PROXY:
TARGET = MSEXCLU01 
AGENT = MSEXCH01_VSS and MSEXCH02_VSS

TARGET = MSEXCLU01_OFFLOAD
AGENT = MSEXCH01_VSS and MSEXCH02_VSS

I have run DSMC -OPTFILE=msexch01_vss.opt and can confirm the password.
Same thing on MSEXCH01

I have a CAD Services on Cluster Node 1 (MSEXCH01) and can start the CAD 
Services manually to just verify 1 node can backup the Exchange cluster.

When I start TSM for Mail with Switch /EXCSERVERNAME=MSEXCLU01, I can see all 
my storage groups and TDP for mail ask for the node password for MSEXCLU01
But when I start the backup it end up with error code "ANS1023E:   Session 
rejected: Node type mismatch" on node MSEXCH01_VSS

This is how my dsm.opt file looks like in BACLIENT Directory
NODENAME         MSEXCH01
PasswordAccess          Generate


CommMethod      TCPIP

TCPPort         1500

TCPSERVERADDRESS tsm6.company.com


This is how my msexch01_vss.opt file looks like
Nodename        msexch01_vss

PasswordAccess  Generate


CommMethod      TCPIP

TCPPort         1500

TCPSERVERADDRESS tsm6.company.com

ManageDServices WEBCLIENT


VSSAltsTagingdir e:\VSS_STAGING


This is how my dsm.opt file looks like in TDPExchange Directory
NODename          MSEXCLU01

CLUSTERnode       yes

COMPRESSIon       Off

PASSWORDAccess    Generate


COMMMethod        TCPip

TCPPort           1500

TCPSERVERADDRESS tsm6.company.com
TCPWindowsize     63

TCPBuffSize       32


SCHEDMODE             Polling


INCLUDE "msexclu01\...\*" VSS_FULL


This is how my tdpexc.cfg file in directory TDPExchange looks like
LASTPRUNEDate     01/07/2010 14:34:04

MOUNTWait       Yes

BACKUPMETHod     VSS

TEMPLOGRestorepath     

TEMPDBRestorepath     

RETRies     4

BUFFERSIze     1024

BUFFers     3

LOGFile     tdpexc.log

LOGPrune     60

LANGuage     ENU

LocalDSMAgentnode       msexch01_vss

*RemoteDSMAgentnode     msexclu01_offload



VSSPOLICY       *       *               FULL            TSM             VSS_FULL

VSSPOLICY       *       *               COPY            TSM             VSS_COPY

VSSPOLICY       *       *               FULL            LOCAL           
VSS_LOCAL

VSSPOLICY       *       *               FULL            LOCAL           
VSS_LOCAL


Any ideas why this is happening?

Best Regards
Christian Svensson

Cell: +46-70-325 1577
E-mail: Christian.Svensson AT cristie DOT se
Skype: cristie.christian.svensson
Supported Platform for CPU2TSM:: 
http://www.cristie.se/cpu2tsm-supported-platforms