The VCF 9 installer requires that the SSL thumbprints for each ESXi host match the certificate provided by the host. If the installer cannot verify this during pre-checks, the deployment will fail. 

Answer: Update the SSL thumbprints for each ESXi with the following command

In most of the deploys if you are repurposing the Esxi host where datastore contains  active partition deploy will fail. By default VVF install does not override the partition.

There are two ways you can clear active partition :

Login to UI of Esxi host

Go to Storage View

Go to Device tab and select the vsan disk 

Clear Disk Table but if there is a error disk been locked use cli to delete the partition table. 

Option 2 - Delete partition table using cli

SSH to Esxi Host and type the following commands

• For OSA: esxcli vsan storage list
• For ESA: esxcli vsan storagepool list

Remove the Storage:OSA: Remove the disk group using its UUID. esxcli vsan storage remove -u <DiskGroup_UUID>

Remove the Storage ESA: Remove the specific disk by its UUID. esxcli vsan storagepool remove -u <Device_UUID>

VSAN dis eligibility issue has been resolved after clearing the partition table

There will be some warning regarding connectivity for vMotion and VSAN. Perform ping from the Esxi host and acknowledge if connectivity is ok

I was able to ping the networks from Esxi host so will acknowledge the warnings and will do deployment.

Please note when vcenter is deployed VSAN is configured as RAID1 with node requirement of 3 but we are only using one so it will error with failed to enable storage policy.

The vSAN Default Storage Policy usually demands 1 failure - RAID-1 (Mirroring), requiring a minimum of 3 nodes to tolerate 1 host failure. This default ensures data redundancy (FTT=1) and Thin Provisioning for new VMs if no other policy is specified.

During deployment when vcenter is up and running storage policy needs to be change to single node.

Retry to deploy using the button on the deploy page.