ESXI 6.5 not detect any external HDD

Hi,

We've one ESXI 6.5 updae 1 version 650.U1.10.2.0 running with 5 VM's but none of the VM's detect the external HDD, I tried with WD & Seegate external drive also updated VM tool to the latest 10.3 but no effect.

Kindly advice what is the possibility to overcome this.

Thanks in advance