Installation precheck for globalenvironment shows the below results for the check 'vCenter Server Version validity check' when the vCenter version is 8.0U3a or later.
Result Description : Version '8.0.0 U3' of vCenter Server '<vCenter FQDN>' is not valid for product 'vidm' and version '3.3.7'
Status : Warning
Recommendations : vCenter Server version should be compatible with product 'vidm' and version '3.3.7'. Check if vCenter Server can be upgraded to compatible version. For more details, visit VMware Product Interoperability Matrix page: https://interopmatrix.vmware.com/Interoperability
VMware Aria Suite Lifecycle 8.x
The warning can be safely ignored as VMware Identity Manager 3.3.7 is compatible with all the minor versions of VMware vCenter 8.0u3.