Error: User is not authorized to query the management service

Christopher Anderson 

I have the same issue too after following the instructions.

 New-RdsTenant -Name 'projectstest' -AadTenantId xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx -AzureSubscriptionId xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx
New-RdsTenant : User is not authorized to query the management service.
ActivityId: xxxxxxx-9dec-485a-82ee-xxxxxxxxxxx
Powershell commands to diagnose the failure:
Get-RdsDiagnosticActivities -ActivityId xxxxxxx-9dec-485a-82ee-xxxxxxxxxx
At line:1 char:1
+ New-RdsTenant -Name 'projectstest' -AadTenantId xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : FromStdErr: (Microsoft.RDInf...nt.NewRdsTenant:NewRdsTenant) [New-RdsTenant], RdsPowerSh
ellException
+ FullyQualifiedErrorId : UnauthorizedAccess,Microsoft.RDInfra.RDPowershell.Tenant.NewRdsTenant
Followed the guide here https://docs.microsoft.com/en-us/azure/virtual-desktop/tenant-setup-azure-active-directory

Turned off MFA for the account.

Granted permissions for client and server here https://rdweb.wvd.microsoft.com/

Granted permissions here for Virtual desktop https://aad.portal.azure.com/