Merge pull request #95728 from msmimart/mm-b2bpsnote

[B2B] Add entry to troubleshooting re: Azure AD PowerShell v1

Author: PRMerger9

articles/active-directory/b2b/troubleshoot.md

@@ -5,7 +5,7 @@ services: active-directory
 ms.service: active-directory
 ms.subservice: B2B
 ms.topic: troubleshooting
-ms.date: 05/25/2017
+ms.date: 11/12/2019
 tags: active-directory
 ms.author: mimart
 author: v-miegge
@@ -90,6 +90,10 @@ To resolve this problem, you must take over the abandoned tenant. Refer to  [Tak
 
 If the identity tenant is a just-in-time (JIT) or viral tenant (meaning it's a separate, unmanaged Azure tenant), only the guest user can reset their password. Sometimes an organization will [take over management of viral tenants](https://docs.microsoft.com/azure/active-directory/users-groups-roles/domains-admin-takeover) that are created when employees use their work email addresses to sign up for services. After the organization takes over a viral tenant, only an administrator in that organization can reset the user's password or enable SSPR. If necessary, as the inviting organization, you can remove the guest user account from your directory and resend an invitation.
 
+## A guest user is unable to use the AzureAD PowerShell V1 module
+
+As of November 18, 2019, guest users in your directory (defined as user accounts where the **userType** property equals **Guest**) are blocked from using the AzureAD PowerShell V1 module. Going forward, a user will need to either be a member user (where **userType** equals **Member**) or use the AzureAD PowerShell V2 module.
+
 ## Next steps
 
 [Get support for B2B collaboration](get-support.md)