Upgrading CA ITCM can be a lengthy process, and may be affected by many external factors such as lack of system resources and unexpected power loss. Before commencing any upgrade, particularly of manager and scalability server components, it is recommended that a full backup of your existing installation be performed to guard against loss of data.
The order in which you carry out the upgrade of components is of importance. This release of CA ITCM supports a strict top-down upgrade strategy. You should review the steps within the phases below in full before proceeding.
After each upgrade phase the configuration is fully functional, that is, the upgraded components can communicate with components not yet upgraded.
Note: When using the CA ITCM installation DVD to upgrade CA ITCM software previously installed on a computer be aware that all CA ITCM components installed on that computer will be upgraded.
Note: If you try to upgrade your existing installation from a different installation source or media, for example, DVD reader, than that was used for the original Unicenter DSM installation, the upgrade installation may fail with MSI error code 1602. To avoid this failure, we recommend that you configure your installation to use the same source or media that has been used for the original installation.
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