Hello There, This article briefs about an issue faced during expanding the cluster with vSAN ready node via SDDC Manager. VCF: 4.5.0 ESXi : VMware ESXi 7.0.3 build-20328353 Thanks to my colleague Ahmed Alameri for his contribution. We were recently working on cluster expansion via SDDC Manager and the task was failed at "Validate vSAN disks for ESXi Host(s)" We had to quickly login to the ESXi host and check if the disks are healthy and are eligible to be used for vSAN. We enabled SSH service on the host, and through CLI we validated if the disks were eligible for vSAN by running command ' vdq -q ' Output Sample: [ { "Name" : "t10.NVMe_NVMe_Pxxxx_MU_U.2_1x.xTB________000xxxxxxxxx", "VSANUUID" : "", "State" : "Eligible for use by VSAN", "Reason" : "None", "IsSSD" ...