Update cross-tenant-synchronization-configure.md

Author: ArvindHarinder1

articles/active-directory/multi-tenant-organizations/cross-tenant-synchronization-configure.md

@@ -481,6 +481,56 @@ Currently, there isn't a way to delete a configuration on the **Configurations**
 
     :::image type="content" source="./media/cross-tenant-synchronization-configure/enterprise-applications-configuration-delete.png" alt-text="Screenshot of the Enterprise applications Properties page showing how to delete a configuration." lightbox="./media/cross-tenant-synchronization-configure/enterprise-applications-configuration-delete.png":::
 
+#### Symptom - Users skipped due to presence of altSecId
+
+
+**Cause**
+
+If SMS sign-in is enabled for a user, they will be skipped by the provisioning service.
+
+**Solution**
+```
+##### Disable SMS Sign-in options for the users
+
+#### Import module
+Install-Module Microsoft.Graph.Users.Actions
+Install-Module Microsoft.Graph.Identity.SignIns
+Import-Module Microsoft.Graph.Users.Actions
+
+Connect-MgGraph -Scopes "User.Read.All", "Group.ReadWrite.All", "UserAuthenticationMethod.Read.All","UserAuthenticationMethod.ReadWrite","UserAuthenticationMethod.ReadWrite.All"
+
+
+##### The value for phoneAuthenticationMethodId is 3179e48a-750b-4051-897c-87b9720928f7
+
+$phoneAuthenticationMethodId = "3179e48a-750b-4051-897c-87b9720928f7"
+
+#### Get the User Details
+
+$userId = "objectid_of_the_user_in_Azure_AD"
+
+#### validate the value for SmsSignInState
+
+$smssignin = Get-MgUserAuthenticationPhoneMethod -UserId $userId
+
+{
+    if($smssignin.SmsSignInState -eq "ready"){   
+      #### Disable Sms Sign-In for the user is set to ready
+       
+      Disable-MgUserAuthenticationPhoneMethodSmSign -UserId $userId -PhoneAuthenticationMethodId $phoneAuthenticationMethodId
+      Write-Host "SMS sign-in disabled for the user" -ForegroundColor Green
+    }
+    else{
+    Write-Host "SMS sign-in status not set or found for the user " -ForegroundColor Yellow
+    }
+
+}
+
+
+
+##### End the script
+```
+
+
 ## Next steps
 
 - [Tutorial: Reporting on automatic user account provisioning](../app-provisioning/check-status-user-account-provisioning.md)