In a distributed deployment, CA Network Flow Analysis components are distributed among multiple servers. The topics in this section describe how to upgrade each component server.
To upgrade a two-tier distributed deployment, complete the following procedures:
To upgrade a three-tier distributed deployment, complete the following procedures:
The steps in these topics are written for the recommended upgrade order: Harvester upgrades, DSA upgrades (if any), then NFA console upgrade.
If you interrupt and restart the upgrade, the upgrade resumes from your most recently saved change.
Note: The program checks for server problems at various points during the installation or upgrade. If a problem is found, an error message opens. A critical problem causes the program to exit. A warning message opens for non-critical problems, which you can correct at any time. The pre-requisite checks look for general indicators that problems exist: They do not warn you about all problems. You are responsible for preparing the server properly and for completing all required post-installation steps.
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