If using an ISO to upgrade, one has to choose option 'Download updates, drivers and optional features (recommended)' during the upgrade process for installer to get the fix.If upgrading to newer Windows version though Windows Update, no action is necessary as the upgrade would contain the fix.The resolution can be obtained in one of the following ways: This issue has been resolved by Microsoft. The “PvsVMBoot” value in the “BootExecute” multi-string under HKEY_LOCAL_MACHINE \SYSTEM\CurrentControlSet\Control\Session Manager is removed during upgrade i.e “BootExecute”=“autocheck autochk*,PvsVMBoot” gets reset to “BootExecute”=“autocheck autochk*” during the upgrade. MCS machines could not register with the DDC because they cannot get the machine name from the identity disk due to the below registry change upon OS upgrade. ICA launch of MCS provisioned VDAs would fail after the Operating system of the master image is upgraded to Win11 22H2 version