1. For RHEL 5, it is necessary to install compat-libstdc++ version 33-3.x before installing rpm. 2. For SLES-10 SP3 64bit OS, it is necessary to install libstdc++33-32bit-3.3.3-7.8.1.x86_64.rpm before installing MSM. This RPM is available in the OS DVD (path is /media/SUSE-Linux-Enterprise-Server_001/suse/x86_64) The RPM and library version number may differ across other versions of OS's. 3. For SLES-9 32bit OS, it is necessary to install compat-libstdc++-lsb-4.0.2_20050901-0.4.i586.rpm before installing MSM. This RPM is available in the OS DVD (path is /media/dvd/suse/i586) 4. For RHEL 3, it is necessary to install the RPM libstdc++34-3.4.0-1.i386 before installing MSM. 5. It is necessary to enable shadow password in RHEL 6 to login to MSM. 6. Prerequisites for installing MSM on RHEL6.x x64 operating system Before installing MSM on RHEL6.x x64 system, Please install the following rpms, Without these files/RPM's MSM may not be install properly or may not work as expected. libstdc++-4.4.4-13.el6.i686.rpm compat-libstdc++-33-3.2.3-69.i686.rpm libXau-1.0.5-1.el6.i686.rpm libxcb-1.5-1.el6.i686.rpm libX11-1.3-2.el6.i686.rpm libXext-1.1-3.el6.i686.rpm libXi-1.3-3.el6.i686.rpm libXtst-18.104.22.168-3.el6.i686.rpm Also note that RHEL6.x complete OS installation is required for MSM to work. The above mentioned rpm's come as part of RHEL6 OS DVD. These RPM's may need additional dependent RPM's as well, all the dependent RPM's also must be installed on the target system. The RPM and library version number may differ across other versions of OS's.