When a new datastore provisioned to the vSphere environment, it might be a delay in updating the information about the capability sets, and the datastore would be incompatible with a storage policy.

The vCenter Server periodically updates storage data in its database. I couldn’t find the exact time intervals when it occurs. Fortunately, it is possible to force the datastore capability sets update in the vSphere Web Client.

To complete this task, go to the vCenter Manage tab and choose ‘Storage providers’ option. A rescan button is available from the storage system settings.

Clicking on that icon initiates rescan and updates the storage capabilities of the datastore.

Now it is able to place the virtual machines on the datastore.