Merge pull request #40661 from mzmaili/patch-10

Added another reason why users see an error

Author: Jak-MS

articles/active-directory/devices/faq.md

@@ -60,6 +60,8 @@ For more information, see [Require managed devices for cloud app access with Con
 - User disables the device from the My Apps portal. 
 - An administrator (or user) deletes or disables the device in the Azure portal or by using PowerShell
 - Hybrid Azure AD joined only: An administrator removes the devices OU out of sync scope resulting in the devices being deleted from Azure AD
+- Upgrading AAD connect to the version 1.4.xx.x. [Understanding Azure AD Connect 1.4.xx.x and device disappearance](https://docs.microsoft.com/azure/active-directory/hybrid/reference-connect-device-disappearance).
+
 
 See below on how these actions can be rectified.