This figure shows the upgrade and installation paths to MSS 6.3.x.

An existing customer with MSS 5.2.x installs MSS R_3_DBBaseInstall.zip first, and then installs MSS.R6_3_x.bxx_DBInstall.zip. An existing customer with MSS 6.0.x upgrades directly to MSSR6_3_x_bxx_DBInstall.zip. An existing customer with MSS 6.2.x upgrades directly to MSSR6_3_x_bxx_DBInstall.zip.

A new customer installs MSS.R6_3_DBBaseInstalls.zip, and then installs MSSR6_3_x_bxx_DBInstall.zip, same as the existing customer of MSS 5.2.x.