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Check upgrade compatibility before upgrading from version 11.x

  • Published on Sep 12, 2026
  • 1 minute(s) read
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Before upgrading your Trellix ESM, use the Pre-Upgrade Checker tool to check that your system supports the new version. It verifies the disk space, data sources, connectivity, ports, and processes. You can also view the status and dates of previous upgrade compatibility checks. It is available only in Trellix ESM version 10.4.x and versions 11.2.x to 11.6.1.

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