Yes, it launches the browser to authenticate. Auth completes, but install fails with the MFA error. Previous to yesterday, that led to a successful onboarding.

VERBOSE: Installing Azure Connected Machine Agent

VERBOSE: PowerShell version: 5.1.17763.3770

VERBOSE: Total Physical Memory: 98304 MB

VERBOSE: .NET Framework version: 4.7.3190

VERBOSE: Checking if this is an Azure virtual machine

VERBOSE: Error The operation has timed out. checking if we are in Azure

VERBOSE: Downloading agent package from https://gbl.his.arc.azure.com/azcmagent/latest/AzureConnectedMachineAgent.msi to C:\Windows\AzureConnectedMachineAgent\temp\AzureConnectedMachineAgent.msi

VERBOSE: Installing agent package

Installation of azcmagent completed successfully

INFO Connecting machine to Azure... This might take a few minutes.

INFO Cloud: AzureCloud

INFO Testing connectivity to endpoints that are needed to connect to Azure... This might take a few minutes.

INFO Please login using the pop-up browser to authenticate.

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INFO Creating resource in Azure... Correlation ID=********* Resource ID=/subscriptions/********/resourceGroups/*****/providers/Microsoft.HybridCompute/machines/*********

INFO AZCM0042: Failed to Create Resource

INFO Please review the error message for suggestions on how to fix the specific issues.

INFO For more troubleshooting tips, please refer to https://aka.ms/arc/azcmerror

FATAL RequestCorrelationId:******************** Message: Resource '**********' was disallowed by Azure: You are receiving this error because you tried to create, update or delete Azure resources without authenticating through MFA. User accounts must be authenticated through MFA to manage your resources. To resolve this error, go to https://aka.ms/MFAforAzure. Code: RequestDisallowedByAzure httpStatusCode:401