Virtual machine disk provisioning type changes after restore VM using third party backup software
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Article ID: 445134
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Updated On:
Products
VMware vCenter ServerVMware vSphere ESXi
Issue/Introduction
Virtual disk provisioning type change to "thin" after restore using third party backup software
VIrtual disk provisioning type configured as "thick" or "lazy zeroed thick" (LZT), and "eager zeroed thick" (EZT) and did not manually changed
Environment
VMware vSphere 8.x
Resolution
The disk provisioning type of a virtual machine may be unintentionally changed (e.g., from Thick to Thin) during restore or migration operations performed by third-party backup software such as Veeam.