vmdk cannot be resized even when snapshot is shown in vSphere Client in instant-clone VDI environment

Products

• VMware vCenter Server

Issue/Introduction

• vmdk cannot be resized even when snapshot is shown in vSphere Client in instant-clone VDI environment

Environment

vSphere

Omnissa Horizon

Cause

• vmdk file points to another parent vmdk file.
• Checking vmdk descriptor file, the parentCID is not "ffffffff".

Resolution

This is an expected behavior.