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Chapter 1.
Introduction to Red Hat Certificate
System Migration
Red Hat Certificate System 7.1, 7.2, and 7.3 can be migrated to Red Hat Certificate System version
8.0 using the Red Hat Certificate System migration utility. These migration scripts can extract data
from the installation of a previous version and migrate this data to 8.0. Each Certificate System
subsystem is migrated independently.
• Product downgrade, extracting information from a newer version to import into an older version, is
not supported by the migration utility in any version of the Certificate System.
• Certificate System 8.0 does not support in-place upgrades. This is true even when the installations
are on the same machine, running the same platform. For example, a Red Hat Certificate System
7.1 installation on a machine named delta.example.com running Red Hat Enterprise Linux
has to be migrated to Certificate System 8.0 installation, even if the 8.0 installation is on the same
machine named delta.example.com running Red Hat Enterprise Linux. This is accomplished
simply by supplying a different installation directory for each instance.
Release Date
May 27, 2005
November 6, 2006
May 2007
July 22, 2009
Table 1.1. Summary of Certificate System Releases
1.1. Certificate System Migration Overview
The migration process is staged to migrate the different subsets of Certificate System information
separately. The general process is as follows:
1. Install the Certificate System 8.0 subsystem instances.
2. Migrate the Certificate Management System 7.x security databases, which contains the key and
certificate materials for the server, to the Certificate System 8.0 instances.
3. Migrate the password database information for Certificate Management System 7.x to the
Certificate System 8.0 password file.
4. Migrate the Certificate Management System 7.x internal databases, which contain user and group
entries, to the Certificate System 8.0 server.
5. Migrate customized server configuration data from the 7.x server to Certificate System 8.0.
6. Renew all migrated certificates.
1.1.1. Migration Scripts
The Certificate System migration utility contains several separate platform-independent tools, but only
two are required for migrating a Certificate System installation: one program to convert all of the data
in an LDIF that was exported from the 7.x installation into a normalized LDIF text file, and another
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