You can't use TenantAllowBlockList when connected to Security and Compliance

Andres Bohren

2022-04-11

Hi All,

Recently i was stumbling across a weird behaviour regarding Exchange Online Protection (EOP) with TenantAllowBlockListItems.

Get-TenantAllowBlockListItems

https://docs.microsoft.com/en-us/powershell/module/exchange/get-tenantallowblocklistitems?view=exchange-ps

Connect-ExchangeOnline

Get-TenantAllowBlockListItems -ListType Url -Block

Get-TenantAllowBlockListItems -ListType Url -ListSubType AdvancedDelivery

Represented with the following Command

Get-TenantAllowBlockListItems -ListType Url -Block

Advanced Delivery - Represented with the following Command

Get-TenantAllowBlockListItems -ListType Url -ListSubType AdvancedDelivery

Then i connected to Security and Compliance

Connect-IPPSSession

Get-TenantAllowBlockListItems -ListType Url

Error:

Das Format des in den Parameter objectId eingegebenen Werts ist ungültig. Prüfen Sie den Wert, und versuchen Sie es erneut.
Parameter name: objectId
    + CategoryInfo          : NotSpecified: (:) [Get-TenantAllowBlockListItems], ArgumentException
    + FullyQualifiedErrorId : System.ArgumentException,Microsoft.Exchange.Management.SystemConfigurationTasks.TenantAllowBlock
   List.GetTenantAllowBlockListItems
    + PSComputerName        : che01b.ps.compliance.protection.outlook.com

Get-TenantAllowBlockListItems -ListType Url -ListSubType AdvancedDelivery

Error:

A parameter cannot be found that matches parameter name 'ListSubType'.
    + CategoryInfo          : InvalidArgument: (:) [Get-TenantAllowBlockListItems], ParameterBindingException
    + FullyQualifiedErrorId : NamedParameterNotFound,Get-TenantAllowBlockListItems
    + PSComputerName        : che01b.ps.compliance.protection.outlook.com

As soon as you're connected to https://ps.compliance.protection.outlook.com you will get the above error Messages

Get-PSSession

Get-PSSession | fl

Regards

Andres Bohren