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Article ID: 344884
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Issue/Introduction
After upgrading to vSphere 7.0 U3, ESXi hosts may experience a Purple Diagnostic Screen (PSOD) when a virtual machine issues an UNMAP or TRIM command on thin-provisioned virtual disks.
Environment
VMware vSphere ESXi 7.0.3
Resolution
Please refer to VMware KB article 86100 for details:
https://kb.vmware.com/s/article/86100