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Installation, Deployment, and Upgrade
Installing Unica Discover involves planning and preparing your environment, installing and configuring prerequisite software, obtaining the Unica Discover installation files, and running the Unica Discover installer.
Discover Network Capture Application Manual
Upgrade for DNCA
It is recommended that you always use the latest version of the Unica Discover Network Capture Application suitable for your version of Unica Discover.
Verify Requirements
System Requirements

System Requirements

Note: Before you begin upgrading the Unica Discover Network Capture Application, verify that you have the correct packages installed. See "Installation" in the Unica Discover Network Capture Application Manual.

Note: If your DNCA is set to decrypt SSL traffic, verify that your existing SSL keys are compatible with the version of DNCA that you are installing. If you are using the wrong keys, then the DNCA cannot decrypt SSL traffic and data is not available in Discover. See "Installation" in the Unica Discover Network Capture Application Manual.