MCS: Machine catalogue update fails due to ErrorID: FailedToReadMasterImageMetadata

MCS Catalogs on HyperV with SCVMM Server 2019 can't be updated. The following error is displayed: Exception: DesktopStudioErrorId ProvisioningTaskError Error Category: NotSpecified ErrorID : FailedToReadMasterImageMetadata TaskErrorInformation :Terminated InternalErrorMessage: The value must not ...

Azure MCS catalog update fails with FailedToStartImagePreparationVm - CreateUpdateVm-1 timed out

Unable to update a machine catalog for an Azure hosted MCS deployment. The MCS process fails early about 15% into the update The error message shows "Error - Terminated", and the action name is "MCUpdateMachineCatalog" The full stack trace is similar to this : TerminatedStack Trace: at...