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Before upgrading the Grid to NIOS 9.0.4, once the Grid with the NIOS 9.0.4 version is distributed, you must apply the NIOS CHF-9.0.4.1 2 (Hotfix 12) and then complete the rest of the upgrade process. The CHF-9.0.4.1 2 (Hotfix 12) is downloadable from https://support.infoblox.com/s/downloads
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