Downloaded the update-file for NSX 4.2.3.1 into the SDDC Manager, however, the update is not being displayed for any of the clusters.
VCF 5.x
The compatibility data sets are malformed or in an incorrect format the SDDC Manager.
Workaround:
Disable the upgrade compatibility checks, follow the steps below:
Note: Changing this flag bypasses the check. Kindly make sure that a target <component> version is compatible with said BOM components.