The upgrade is performed as follows:
6.2.1 Backing up the repository data
6.2.2 Backing up the management information
6.2.3 Releasing the backup and restore in Exchange database (for Windows)
6.2.4 Uninstalling the previous version
6.2.5 Installing this version
6.2.6 Restoring the repository data
6.2.7 Changing server information
6.2.8 Restoring the management information
6.2.9 Setting the backup and restore in Exchange database (for Windows)
6.2.10 Updating the version information
